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

Answer 1

\[-x-2y=-4\]
\[-x=2y-4\]
\[x=-2y+4\]

Answer 2

Thanks!

Answer 3

yw