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

Question

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

anonymous · Answer

Anyone have an idea what answer is?

anonymous · Answer

Are you told to use substitution?  This would be easier with elimination method.

anonymous · Answer

What it means is express the first equation where x is on the left side and everything else is on the right side