Question 335354
1.{{{y=3x-1}}}
2.{{{7x+2y=37}}}
Substitute eq. 1 into eq. 2,
{{{7x+2(3x-1)=37}}}
{{{7x+6x-2=37}}}
{{{13x=39}}}
{{{highlight(x=3)}}}
Then from eq. 1,
{{{y=3(3)-1}}}
{{{y=9-1}}}
{{{highlight(y=8)}}}