Question

Will award medal:
For the following system, if you isolated y in the second equation to use the Substitution Method, what expression would you substitute into the first equation?

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

A) -6 - x
B) -6 + x
C) 6 - x
D) 6 + x

Answer 1

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

Answer 2

x - y = -6
-y = -x - 6 -- multiply by -1 to make y positive
y = x + 6 or y = 6 + x

Answer 3

answer D

Answer 4

Thank you. ^^

Answer 5

anytime :)