Question

When solving the system by substitution, what would you plug into the second equation for the letter y?

2x+y=6
2x+2y=8

y = 2
y = 6-2x
x = 6
x = 2y+6

Answer 1

re arrange your first equaation
u have to make y isolate.. so subtract 2x on both sides.

Answer 2

y = 2

Answer 3

ahh no.. how did u got that?

Answer 4

im wrong:(

Answer 5

yeah.. well c'mon try with me and we will see what we get.

Answer 6

first you have to keep in mind that you have to make either x or y isolate ..