MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
x 3y 4 x 2y 4 solve by elimination
Question
X+3y=4 X+2y=4 Solve by elimination
Like
54
likes
271
views
Answer to a math question X+3y=4 X+2y=4 Solve by elimination
Santino
4.5
112
Answers
1. Subtract the second equation from the first equation:
(X + 3y) - (X + 2y) = 4 - 4
X + 3y - X - 2y = 0
y = 0
2. Substitute
y = 0
into the second equation:
X + 2(0) = 4
X = 4
Correct [Solution]:
(4,0)
Frequently asked questions (FAQs)
Math question: Factorize the expression 4x^2 - 9y^2 using the distributive property. (
+
What is the result when adding a vector of magnitude 3 in the northeast direction to a vector of magnitude 5 in the southwest direction?
+
Find the slope of the line passing through the points (2, 4) and (-3, -9).
+
New questions in Mathematics
Write 32/25 as a percent
Evaluate limxββtanβ1(x) using that y=tanβ1(x) exactly when x=tan(y) . (Hint: Both tan and tanβ1 are continuous!)
The Lenovo company manufactures laptop computers, it is known that for every 60 laptops produced, 54 go on the market with the highest quality standards. If a sample of 15 laptops is taken, calculate the probability that: Exactly 2 are not of high quality
4.2x10^_6 convert to standard notation
The sum of two numbers is 6, and the sum of their squares is 28. Find these numbers exactly
Suppose X has a Poisson distribution, with a mean of 0.4. Determine the probability that x is at most 2.
Determine the momentum of a 20 kg body traveling at 20 m/s.
If you randomly selected one person from the 900 subjects in this study, what is the probability that the person exhibits the minimum BMI?
-3(-4x+5)=-6(7x-8)+9-10x
find x in the equation 2x-4=6
A box contains 18 blue balls and 33 white balls. What is the ratio of the blue to white balls?
20% of 3500
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
Log5 625
Which of the methods below can be used to workout 95% of an amount? a. Dividing the amount 100 and multiply by 95 b. Working out 5% of the amount and taking it away from the full amount c. Dividing 95 by 100 and multiplying the answer by the amount d. Dividing the amount by 95 and then multiply by 100
Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.
A salesperson earns a base salary of $600 per month plus a commission of 10% of the sales she makes. You discover that on average, it takes you an hour and a half to make $100 worth of sales. How many hours will you have to work on average each month for your income to be $2000?
A 20-year old hopes to retire by age 65. To help with future expenses, they invest $6 500 today at an interest rate of 6.4% compounded annually. At age 65, what is the difference between the exact accumulated value and the approximate accumulated value (using the Rule of 72)?
An export company grants a bonus of $100,000 pesos to distribute among three of its best employees, so that the first receives double the second and the latter receives triple the third. How much did each person receive?
The car with an irresponsible driver starts to brake when it goes through a red light. When passing the traffic light, he does so at a speed of 115 kph in the right lane. Further ahead, 70 meters from the traffic light, a child is crossing the street and falls. If the effect of the car's brakes is equivalent to a deceleration of magnitude 5.7m/sΒ². Is the child hit by the car or not? How far from the traffic light does the car stop?
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
1 + 1
2+2
Consider the relation R defined on the set of positive integers as (x,y) β R if x divides y. Choose all the true statements. R is reflexive. R is symmetric. R is antisymmetric. R is transitive. R is a partial order. R is a total order. R is an equivalence relation.
STUDENTS IN A CLASS LEARN ONLY ONE FOREIGN LANGUAGE. two-sevenths of the students learn German, half of the students learn Spanish, and the remaining six students learn Italian. what is the number of students in this class? detail your reasoning carefully.
If L = (-2, -5) is reflected across y= -4 , what are the coordinates of L?
Express the following numbers in decimal system, where the subscript indicates the base: 110101 (SUBINDEX=2)
solve the following trigo equation for 0Β°<= x <= 360Β°. sec x =-2
224 Γ (6Γ·8)
What is 28 marks out of 56 as a percentage
Three squares have a total area of 35.25 ππ2 . The larger square has twice the side-length of the middle-sized square. The smaller square has its side length exactly 0.5 cm smaller than the middle-sixed square. Find the side lengths of each of the three squares.
If a two-branch parallel current divider network, if the resistance of one branch is doubled while keeping all other factors constant, what happens to the current flow through that branch and the other branch? Select one: a. The current through the doubled resistance branch remains unchanged, and the current through the other branch decreases. b. The current through the doubled resistance branch decreases, and the current through the other branch remains unchanged. c. The current through the doubled resistance branch increases, and the current through the other branch remains unchanged. d. The current through both branches remain unchanged.
From 1975 through 2020 the mean annual gain of the Dow Jones Industrial Average was 652. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume the standard deviation is 1539
Let x be an integer. Prove that x^2 is even if and only if is divisible by 4.
2x-5-x+2=5x-11
Find the equation of a straight line that has slope 3 and passes through the point of (1, 7) . Write the equation of the line in general forms
To paint a 250 m wall, a number of workers were employed. If the wall were 30 m longer, 9 more workers would be needed. How many were employed at the beginning?
t+72/t=-17
I have a complex function I would like to integrate over. I can use two approaches and they should give the same solution. If I want to find the contour integral β«πΎπ§Β―ππ§ for where πΎ is the circle |π§βπ|=3 oriented counterclockwise I get the following: β«2π0π+3πππ‘β―β―β―β―β―β―β―β―β―β―β―β―β―β―β―β―β―π(π+3πππ‘)=β«2π03π(βπ+3πβππ‘)πππ‘ππ‘=18ππ If I directly apply the Residue Theorem, I would get β«πΎπ§Β―ππ§=2ππRes(π,π§=0)=2ππ
Solve the system of equations by the addition method. 0.01x-0.08y=-0.1 0.2x+0.6y=0.2
In an experiment to assess the effect of listening to audiobooks while driving, participants were asked to drive down a straight road in a driving simulator. The accompanying data on time (in milliseconds) to react when a pedestrian walked into the street for 10 drivers listening to an audiobook are consistent with summary statistics and graphs that appeared in the paper "Good Distractions: Testing the Effect of Listening to an Audiobook on Driving Performance in Simple and Complex Road Environments."β (Round your answers to four decimal places.) 1,018 1,007 1,054 988 937 1,030 1,065 1,011 860 1,106 A button hyperlink to the SALT program that reads: Use SALT. Calculate the variance for this data set. 7437.7333 Incorrect: Your answer is incorrect. Calculate the standard deviation for this data set. 86.2022 Incorrect: Your answer is incorrect.