Question 372693
1.{{{3x-4y=-15}}}
2.{{{5x+y=-2}}}
Multiply eq. 2 by 4 and add to eq. 1,
{{{3x-4y+20x+4y=-15-8}}}
{{{23x=-23}}}
{{{highlight(x=-1)}}}
Then use either equation to solve for {{{y}}}.
{{{-5+y=-2}}}
{{{highlight(y=3)}}}