Question 352574
Add the equations together,
{{{4x-y-4x-4y=-33+68}}}
{{{-5y=35}}}
{{{highlight(y=-7)}}}
Now use either equation to solve for {{{x}}}.
{{{4x-y=-33}}}
{{{4x+7=-33}}}
{{{4x=-40}}}
{{{highlight(x=-10)}}}