Question

Solve the system of equations: what is the x-value for the solution?

2x + 7y = 3 and x = 1 - 4y
A. -1
B. 5
C. 4
D. 3

Answer 1

2x + 7y = 3 and x = 1 - 4y


2(1-4y)+7y=3
2-8y+7y=3
2-y=3
y=-1........x=1-4(-1)=5

answer B

Answer 2

thanks!