Question

3x+2y=-12 solve for y.

Answer 1

First subtract 3x from both sides to get

2y=-3x-12

what is your next step?

Answer 2

subtract 3x from both sides
then divide to leave the y alone

Answer 3

3x+2y=12
2y=-3x+12
y=-3x+12/2
y=-3x/2+6

Answer 4

For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation?

-x - 2y = -4
3x + y = 12

-2y - 4

2y - 4

2y + 4

-2y + 4
help please