## anonymous 4 years ago 5x + 4y = -5 -5x – 7y = -10 can somebody help me with that question ?

1. Mertsj

Add the two equations. Did you do that?

2. anonymous

$\left( 5x +4y \right)+\left( -5x -7y \right)=-5+\left( -10 \right)$ $4y -7y =-15$ $-3y =-15$ $y =5$ $x =-5$