Question 517050
{{{2x-3y=4}}}
{{{5x+2y=-9}}}
since one y value is negative and other is possitive all we need to do is just get the number before y to be the same number so when adding together they cancel out. i just use the same numbers from other equation 
{{{2(2x-3y)=2(4)}}} 2y from second equation tells me to multiply by 2
{{{3(5x+2y)=3(-9)}}} 3y from first equation tells me to multiply by 3
.multiply
{{{4x-6y=8}}}
{{{15x+6y=-27}}}
.add them together
{{{19x=-19}}}
{{{x=-1}}}
.
{{{2x-3y=4}}}
{{{2(-1)-3y=4}}}
{{{-2-3y=4}}}
{{{-3y=6}}}
{{{y=-2}}}
.
({{{-1}}},{{{-2}}})