Question

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

−6 − x

−6 + x

6 − x

6 + x

Answer 1

x − y = −6


isolate y and tell me what you get

Answer 2

I've made a huge mistake.

Answer 3

huh?

Answer 4

huh?

Answer 5

Did you try isolating y?

Answer 6

dont i have to dive them?

Answer 7

i got -6+x

Answer 8

Not quite. You can add or subtract something from both sides. You can multiply or divide both sides by the same thing, especially -1.

Answer 9

so my answer is wrong?