Question 889537
The point of intersection would be the intersection of the two lines,
{{{5x+6y=30}}}
{{{7x+8y=-56}}}
Multiply eq. 1 by 7 and eq. 2 by (-5) and add them together,
{{{35x+42y-35x-40y=210+280}}}
{{{2y=490}}}
{{{highlight(y=245)}}}
Then use either equation to solve for {{{x}}}.
{{{5x+6(245)=30}}}
{{{5x+1470=30}}}
{{{5x=-1440}}}
{{{highlight(x=-288)}}}