Question 363425
1.{{{y-x=17}}}
2.{{{y=4x+2}}}
Substitute eq. 2 into eq. 1,
{{{4x+2-x=17}}}
{{{3x+2=17}}}
{{{3x=15}}}
{{{highlight(x=5)}}}
Then from eq. 2,
{{{y=4(5)+2}}}
{{{y=20+2}}}
{{{highlight(y=22)}}}