Question 306963
1.{{{3x -5y =-27}}}
2.{{{2x + y = -5}}}
From eq. 2,
{{{2x+y=-5}}}
{{{y=-2x-5}}}
{{{5y=-10x-25}}}
Substitute into eq. 1,
{{{3x -5y =-27}}}
{{{3x -(-10x-25) =-27}}}
{{{3x+10x+25=-27}}}
{{{13x=-52}}}
{{{highlight(x=-4)}}}
Then from eq. 2,
{{{y=-2x-5}}}
{{{y=-2(-4)-5}}}
{{{y=8-5}}}
{{{highlight(y=3)}}}