Solve the system by substitution y 2x 3x 2y 21


Asked by maham237 @ in Mathematics viewed by 302 People

Answered by maham237 @



Y=2x
3x+2y=21
3x+2(2x)=21
3x+4x=21
7x=21
x=3
y=2(3)
y=6

Similar Questions

Solve the system 3x 2y 1 and 2x y 5

Asked by admin @ in Math viewed by 412 persons

21 Solve the linear equations 2x-y-5 and 3x+2y-1 using substitution method 22. Check whether - 150 is a term of the AP: 11.8.5.223. Ifx +2x+6 are in GP Find …

Solve 2x y 5 and 3x 2y 11 by substitution

Asked by admin @ in Math viewed by 346 persons

Solve 2x – y = 5 and 3x + 2y = 11 by substitution.

Solve graphically 5x y 17 and 2x 2y 2

Asked by admin @ in Math viewed by 443 persons

Solve graphically: 5x+y=17 and 2x-2y=2

Solve the system y 2x 6 and 3y 6x 18

Asked by maham237 @ in Mathematics viewed by 339 persons

Solve the system y = 2x + 6 and 3y = 6x + 18 by using graph paper or graphing technology. What is the solution to the system? (2, 6) …

Solve the following system of equations: −2x + y = 1 −4x + y = −1

Asked by maham237 @ in Mathematics viewed by 509 persons

(3, 1) (−1, 3) (−1, −3) (1, 3)

Solve the system by elimination x+5y-4z=-10

Asked by maham237 @ in Mathematics viewed by 361 persons

2x-y+5z=-9, 2x-10y-5z=0 .. . 2. Solve the system by substitution: 2x-y+z=-4, z=5, -2x+3y-z=-10. . . 3. A food store makes a 11–pound mixture of peanuts, almonds, and raisins. The cost …

Solve the following system of equations and show all work. y = 2x2 y = –3x −1

Asked by maham237 @ in Mathematics viewed by 401 persons

Solve the following system of equations and show all work. y = 2x2 y = –3x −1

2x y 5 3x 2y 8 by cross multiplication

Asked by admin @ in Social Sciences viewed by 430 persons

SOLVE 2x+y=5 , 3x+2y=8 using cross multiplication method

Solve equation graphically 3x 2y 5 and 2x 3y 7

Asked by admin @ in Math viewed by 312 persons

3x+2y=5,2x-3y=7 solve them graphically

Solve the equation 4x 3 3x y 2y 5x 12

Asked by admin @ in Mathematics viewed by 312 persons

Solve the system of equations. 3x = ­-31 + 2y 5x + 6y = 23 a. x = ­-5, y = 8 b. x = ­- 29, y = ­- …

In the below system, solve for y in the first equation. x − 3y = −6 2x − 7y = 10

Asked by maham237 @ in Mathematics viewed by 366 persons

In the below system, solve for y in the first equation. x − 3y = −6 2x − 7y = 10 A. 1/3x+2 B. -1/3x+6 C. -x+2 D. -1/3x+2

2x 3y 17 3x 2y 6 by cross multiplication

Asked by admin @ in Math viewed by 345 persons

Solve the system of eq 2x+3y=17,3x-2y=6 by method of cross multiplication.

1 2 2x 3y 12 7 3x 2y 1 2

Asked by admin @ in Math viewed by 353 persons

Solve for x and y: 1/2(2x+3y)+12/7(3x–2y)=½ 7/(2x+3y)+4/(3x–2y)=2. For 2x+3y≠0 and 3x–2y≠0.

Most viewed questions in Mathematics


Unit 6 similar triangles homework 2 similar figures answer key

Asked by maham237 @ in Mathematics viewed by 18365 persons


All things algebra unit 7 polygons and quadrilaterals answer key

Asked by admin @ in Mathematics viewed by 8162 persons


Gina wilson all things algebra 2016 answer key unit 11

Asked by admin @ in Mathematics viewed by 5785 persons



Unit 1 geometry basics homework 4 angle addition postulate answers

Asked by maham237 @ in Mathematics viewed by 3936 persons


Unit 6 exponents and exponential functions homework 8 answer key

Asked by maham237 @ in Mathematics viewed by 3256 persons


The manager of a vacation resort believes that the ages

Asked by maham237 @ in Mathematics viewed by 2926 persons



What is 271 403 rounded to the nearest ten thousand

Asked by maham237 @ in Mathematics viewed by 2800 persons


Unit 1 geometry basics homework 3 angle relationships answer key

Asked by maham237 @ in Mathematics viewed by 2584 persons


Homework 2 parallelograms

Asked by maham237 @ in Mathematics viewed by 2504 persons



Why would a prism beat a sphere in a competition?

Asked by maham237 @ in Mathematics viewed by 2481 persons


John wants to send a letter to peter

Asked by maham237 @ in Mathematics viewed by 2466 persons


An artist sells a painting for 20.50 but uses 5.75

Asked by maham237 @ in Mathematics viewed by 2435 persons



Unit 4 congruent triangles homework 1 classifying triangles answer key

Asked by maham237 @ in Mathematics viewed by 2421 persons


Unit 4 congruent triangles homework 2 angles of triangles

Asked by maham237 @ in Mathematics viewed by 2077 persons


Compare the values of the 2s and 5s in 55220

Asked by maham237 @ in Mathematics viewed by 1796 persons