Question 342078
1.{{{2x + y = 3}}}
2.{{{y = 5x - 11}}}
Substitute eq. 2 into eq. 1,
{{{2x+5x-11=3}}}
{{{7x=14}}}
{{{highlight(x=2)}}}
Back to eq. 2,
{{{y=5(2)-11}}}
{{{y=10-11}}}
{{{highlight(y=-1)}}}