Question 324374
1.{{{8x-9y= -95}}}
2.{{{5x+64=y}}}
Substitute eq. 2 directly into eq. 1,
{{{8x-9(5x+64)=-95}}
{{{8x-45x-576=-95}}}
{{{-37x=481}}}
{{{highlight(x=-13)}}}
Then use eq. 2 to solve for y,
{{{y=5(-13)+64}}}
{{{y=-65+64}}}
{{{highlight(y=-1)}}}