Question

How do I find X by substitution?
2x + y = 1
4x + 2y = −2

Answer 1

2x + y = 1 <---- rearrange for y=....
and plug that ..... into
---- V
4x + 2y = −2

Answer 2

after I change it into 4x + 2(2x +1) -2

4x + 4x + 3 = -2

Answer 3

do i combine like terms then simplify?

Answer 4

u doing something wrong

Answer 5

remember y = 1-2x

Answer 6

u shud get
2 = -2 which cannot be possible, so there are no solutions to this equation