Question 841329
1.{{{-3x+y=-2}}}
2. {{{y=x+6}}}
Substitute eq. 2 directly into eq. 1,
{{{-3x+x+6=-2}}}
{{{-2x+6=-2}}}
{{{-2x=-8}}}
{{{x=4}}}
Then from eq. 2,
{{{y=4+6}}}
{{{y=10}}}