MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
3 2a 1 2 5a 1 4 3a 4
Question
3(2a-1) - 2(5a+1)=4(3a+4)
Like
92
likes
458
views
Answer to a math question 3(2a-1) - 2(5a+1)=4(3a+4)
Hester
4.8
117
Answers
Expand
$3(2a-1)-2(5a+1):{\quad}-4a-5$
$-4a-5=12a+16$
Move
$ 5 $
to the right side
$-4a=12a+21$
Move
$ 12a $
to the left side
$-16a=21$
Divide both sides by
$-16$
$a=-\frac{21}{16}$
Frequently asked questions (FAQs)
What is the basis of a vector space over the field F, represented by B?
+
What is the variance of the data set {5, 9, 12, 15, 20}?
+
Question: What is the mode of the following dataset: 3, 4, 5, 5, 6, 7, 7, 8, 8, 8?
+
New questions in Mathematics
A circular park has a diameter of 150ft. A circular fence is to be placed on the edge of this park. Calculate the cost of fencing this park if the rate charged is $7 per foot. Use π = 3.14.
2x-y=5 x-y=4
X^2 = 25
By differentiating the function f(x)=(x³−6x)⁷ we will obtain
3x+5y=11 2x-3y=1
Perpetual annuities are a series of payments whose duration has no end. Explain how can we calculate them, if they have no end?
In a store, a person carries 14 kilos of rice and 28 kilos of flour. In what ratio are the kilos found? (Remember to simplify until you reach an irreducible fraction)
How many anagrams of the word SROMEC there that do not contain STROM, MOST, MOC or CEST as a subword? By subword is meant anything that is created by omitting some letters - for example, the word EMROSCT contains both MOC and MOST as subwords.
Solve the equation: sin(2x) = 0.35 Where 0° ≤ x ≤ 360°. Give your answers to 1 d.p.
A recurring sequence is one where elements repeat after completing one standard. If the sequence AB8C14D96AB8C1... is recurring its twentieth term is equal to: (A) B. (B) 8. (C) A. (D) 6. (E) D.
Convert 9/13 to a percent
Use a pattern to prove that (-2)-(-3)=1
Determine a general formula (or formulas) for the solution to the following equation. Then, determine the specific solutions (if any) on the interval [0,2π). cos30=0
How to convert 45 kg into grams
48 kg of 30% sulfuric acid in a mixture of 10% and 40% sulfuric acid arose. How many kilograms were each of the original solutions?
0<x<2π aralığındaki f(x)=x÷2 fonksiyonunun 0 < x < 4π için grafiğini çiziniz ve 0<x<2n için Fourier seri dönüşümünü gerçekleştiriniz.
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?
Determine the general solution of the equation y′+y=e−x .
3(x-4)=156
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/s². 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
a to the power of 2 minus 16 over a plus 4, what is the result?
10! - 8! =
5/8 x 64
two particles start at the origin and move along the x axis. for 0 <= t <= 10, their respective position functions are given by x1 = cos(t) and x2 = (e^-3t) + 1. for how many values of t do the particles have the same velocity?
Find the equation of the normal to the curve y=x²+4x-3 at point(1,2)
Determine the correct value: A company knows that invoices pending collection have a normal distribution with a mean of $1.65 million, with a standard deviation of $0.2 million, then: The probability that an invoice pending collection has an amount that is within more than 2 deviations below the mean, is:
I) Find the directional derivative of 𝑓(𝑥, 𝑦) = 𝑥 sin 𝑦 at (1,0) in the direction of the unit vector that make an angle of 𝜋/4 with positive 𝑥-axis.
Determine the equations of the lines that pass through the following points P1 (2;-1) and p2 (4;-1)
Find the root of x^4-10x^ 5=0 using Newton's method, with a precision of the smallest positive root.
Suppose 50% of the doctors and hospital are surgeons if a sample of 576 doctors is selected what is the probability that the sample proportion of surgeons will be greater than 55% round your answer to four decimal places
12(3+7)-5
Task 1 angel has 3 quarters 3/8 of a tank of gasoline and Miguel 7/8, who has more gasoline? number line on number line
Suppose you have a sample of 100 values from a population with mean mu = 500 and standard deviation sigma = 80. Given that P(z < −1.25) = 0.10565 and P(z < 1.25) = 0.89435, the probability that the sample mean is in the interval (490, 510) is: A)78.87% B)89.44% C)10.57% D)68.27%
A person decides to invest money in fixed income securities to redeem it at the end of 3 years. In this way, you make monthly deposits of R$300.00 in the 1st year, R$400.00 in the 2nd year and R$500.00 in the 3rd year. Calculate the amount, knowing that compound interest is 0.6% per month for the entire period. The answer is 15,828.60
If A and B are any events, the property that is not always true is: a) 0 ≤ 𝑃(𝐴 ∩ 𝐵) ≤ 1 b) 𝑃(Ω) = 1 c) 𝑃(𝐵) = 1 − 𝑃(𝐵𝑐) d) 𝑃(∅) = 0 e) 𝑃(𝐴 ∪ 𝐵) = 𝑃(𝐴) + 𝑃(𝐵)
cube root of 56
7- A printing company found in its investigations that there were an average of 6 errors in 150-page prints. Based on this information, what is the probability of there being 48 errors in a 1200-page job?
x²-7x+12=0
The perimeter of a rectangular rug is 42 feet. The width is 9 feet. What is the length?
97,210 ➗ 82 division