Question 327767
1.{{{2x-y=0}}}
2.{{{3x+2y=-7}}}
From eq. 1,
{{{y=2x}}}
Substitute into eq. 2,
{{{3x+2(2x)=-7}}}
{{{7x=-7}}}
{{{highlight(x=-1)}}}
.
.
.
Then from above,
{{{y=2x=2(-1)}}}
{{{highlight(y=-2)}}}