Question 320202
1.{{{7x-9y=41}}}
2.{{{8x+46=y}}}
Substitute eq. 2 directly into eq. 1,
{{{7x-9(8x+46)=41}}}
{{{7x-72x-414=41}}}
{{{-65x=455}}}
{{{highlight(x=-7)}}}
.
.
Then using eq. 2,
{{{y=8(-7)+46}}}
{{{y=-56+46}}}
{{{highlight(y=-10)}}}