Question 335627
1.{{{7x+6y=-48}}}
2.{{{x-3y=-3}}}
Multiply eq. 2 by {{{2}}} and add the equations together,
{{{7x+6y+2x-6y=-48-6}}}
{{{9x=-54}}}
{{{highlight(x=-6)}}}
Then use either equation to solve for {{{y}}}.
{{{-6-3y=-3}}}
{{{-3y=3}}}
{{{highlight(y=-1)}}}