Question 326395
1.{{{3x-4y=6}}}
2.{{{-x+y=-1}}}
Multiply eq.2 by 3 and add the equations,
{{{3x-4y-3x+3y=6-3}}}
{{{-y=3}}}
{{{highlight(y=-3)}}}
Then use either equaiton to solve for x.
{{{-x-3=-1}}}
{{{-x=2}}}
{{{highlight(x=-2)}}}