Question

Solve the system of equations by substitution. What is the solution for x?. 2x + y = 1. 4x + 2y = −1. . x = 0. . x = 2. . There is no x value as there is no solution..

Answer 1

y=11,x=8

Explanation:

2x+y=1

4x+2y=-1

substitution method

y=2x-1

4x+2(2x-1)=1

4x+4x-2=1

8x-2=1

8x=1

x=8

equation 2

4x+2y=-1

4(8)+3y=-1

32+3y=-1

-33=3y

y=11