Question

Solve 3x + 2y = –12 for y.

Answer 1

\[2y=12-3x \rightarrow y=6-1,5 x\]
You won't get a fixed result for y, but an infinity of results defined by that equation.

Answer 2

first get rid of x.

2y = -12 -3x

now cross multiply.

\[y = \frac{-12x-3x}{2} \]