## Intermediate Algebra (12th Edition)

$3x+y=10$
Using $Ax+By=C$ or the standard form of linear equations, the given equation, $y+2=-3(x-4) ,$ is equivalent to \begin{array}{l}\require{cancel} y+2=-3(x-4) \\\\ y+2=-3x+12 \\\\ 3x+y=12-2 \\\\ 3x+y=10 .\end{array}