MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
find by substitution method 2x y 3 3x y 4
Question
Find by substitution method 2x-y=3 3x-y=4
Like
120
likes
602
views
Answer to a math question Find by substitution method 2x-y=3 3x-y=4
Tiffany
4.5
103
Answers
$x=\frac{3+y}{2}$
$\begin{bmatrix}3\cdot \frac{3+y}{2}-y=4\end{bmatrix}$
$\begin{bmatrix}\frac{9+y}{2}=4\end{bmatrix}$
$y=-1$
$x=\frac{3-1}{2}$
$x=1$
$x=1,y=-1$
Frequently asked questions (FAQs)
Math Question: Solve the equation y = 3^x for x, and graph the exponential function.
+
Math Question: True or False: If two angles of one triangle are congruent to two angles of another triangle, then the triangles are congruent.
+
What is the sum of the angles in an isosceles triangle with a base angle of 45 degrees?
+
New questions in Mathematics
Let π’ = π(π₯, π¦) = (π^π₯)π ππ(3π¦). Check if 9((π^2) u / π(π₯^2)) +((π^2) π’ / π(π¦^2)) = 0
2+2
Since one of the three integers whose product is (-60) is (+4), write the values that two integers can take.
(x^2+3x)/(x^2-9)=
Solve: β3(β2x+23)+12=6(β4x+9)+9.
2x-4y=-6; -4y+4y=-8
Calculate the minimum size of a simple random sample assuming a sampling error of 5% assuming that the population size is 100 elements
3 A tree is planted when it is 1.2 m tall. Every year its growth is 3/8 of its previous year's height. Find how tall the tree will grow.
John heβs going to the carnival with his friends. He spends $25 on an admission ticket. He buys 10 games at X dollars each and two boxes of popcorn at Y dollars each. Write an expression to show the total cost of admission game, tickets and popcorn.
On+January+10+2023+the+CONSTRUCTORA+DEL+ORIENTE+SAC+company+acquires+land+to+develop+a+real estate+project%2C+which+prev%C3% A9+enable+50+lots+for+commercial+use+valued+in+S%2F+50%2C000.00+each+one%2C+the+company+has+as+a+business+model+generate+ cash+flow+through%C3%A9s+of+the+rental%2C+so+47%2C+of+the+50+enabled+lots+are+planned to lease+47%2C+and+ the+rest+will be%C3%A1n+used+by+the+company+for+management%C3%B3n+and+land+control
The volume of a cube decreases at a rate of 10 m3/s. Find the rate at which the side of the cube changes when the side of the cube is 2 m.
9/14 x 7/27 carry out indicated operation
Calculate the change in internal energy of a gas that receives 16000 J of heat at constant pressure (1.3 atm) expanding from 0.100 m3 to 0.200 m3. Question 1Answer to. 7050J b. 2125J c. None of the above d. 2828J and. 10295 J
Log0
Let N be the total number of ways to choose at least one ride, out of a total of 7 different ones, existing in an amusement park. Can it be said that N is a natural number equal to?
Square root of 169 with steps
In a school playground When going out for recess, 80 men and 75 women coexist, the Patio measures 10 meters For 40 meters (what will be the population density in the break
Two trains leave stations 294 miles apart at the same time and travel toward each other. One train travels at 95 miles per hour while the other travels at 115 miles per hourHow long will it take for the two trains to meet?
Slope (7,3) and (9,5)
Solve the system of equations by the addition method. 0.01x-0.08y=-0.1 0.2x+0.6y=0.2
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
A=m/2-t isolate t
X^2 = 25
[(36,000,000)(0.000003)^2]divided(0.00000006)
Analyze the following situation Juan is starting a new business, he indicates that the price of his product corresponds to p=6000β4x , where x represent the number of tons produced and sold and p It is given in dollars. According to the previous information, what is the maximum income that Juan can obtain with his new product?
According to a survey in a country 27% of adults do not own a credit card suppose a simple random sample of 800 adults is obtained . Describe the sampling distribution of P hat , the sample proportion of adults who do not own a credit card
You mix a powder drug with a 4.5ml of liquid to get a reconstituted solution with a concentration of 250mg/ml. The prescribers order is for 500 mg . You will give what ml of the reconstituted solution
User The average height of Aranka, BΓΆske, Cili, Delinke and Lili is 172 cm. We know that Aranka and Cili are both 172 cm tall. The sum of the heights of BΓΆskΓ© and Delinke is 336 cm. How tall is Lili?
Fill in the P(X-x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -5 ,3 , 4, 5 , and 6.
Let f and g be defined in R and suppose that there exists M > 0 such that |f(x) β f(p)| β€ M|g(x) β g(p)|, for all x. Prove that if g is continuous in p, then f will also be continuous in p.
Write the equation of the line that is parallel to y= 4x-7 and has a y- intercept at (0,5)
Calculate the area of the parallelogram with adjacent vertices (1,4, β2), (β3,1,6) π¦ (1, β2,3)
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?
Oiππ» Toque em "Criar Nova Tarefa" para enviar seu problema de matemΓ‘tica. Um dos nossos especialistas comeΓ§arΓ‘ a trabalhar nisso imediatamente!
If the mean of the following numbers is 17, find the c value. Produce an algebraic solution. Guess and check is unacceptable. 12, 18, 21, c, 13
It costs a manufacturer $2,500 to purchase the tools to manufacture a certain homemade item. If the cost for materials and labor is 60Β’ per item produced, and if the manufacturer can sell each item for 90Β’, find how many items must he produce and sell to make a profit of $2000?
6(k-7) -2=5
A rectangular swimming pool has a length of 14 feet, a width of 26 feet and a depth of 5 feet. Round answers to the nearest hundredth as needed. (a) How many cubic feet of water can the pool hold? cubic feet (b) The manufacturer suggests filling the pool to 95% capacity. How many cubic feet of water is this? cubic feet
f(r) = 1/r+9 find f(x^2) + 1
Find the number of liters of water needed to reduce 9 liters of lotion. shave containing 50% alcohol to a lotion containing 30% alcohol.