Question 373657
1.{{{2x-5y = -19}}}   
2.{{{y = x+2}}}       
Substitute eq. 2 into eq. 1,
{{{2x-5(x+2)=-19}}}
{{{2x-5x-10=-19}}}
{{{-3x=-9}}}
{{{highlight(x=3)}}}
Then from eq. 2,
{{{y=3+2}}}
{{{highlight(y=5)}}}