Question 887620
1.{{{12x+10y=86}}} 
2.{{{x+y=8}}}
Multiply eq. 2 by {{{-12}}} and add to eq. 1 to eliminate {{{x}}},
{{{12x+10y-12x-12y=86-96}}}
{{{-2y=-10}}}
{{{highlight(y=5)}}}
Now use either equation to solve for {{{x}}}.
{{{x+5=8}}}
{{{highlight(x=3)}}}