Question

which graph represents the solution to the given system -2x+5y=-10 and -3x+5y=-20

Answer 1

I believe this would be your answer 

Answer 2

find where the x and y intercept

to find x intercept, set  y=0
to find y intercept, set x=0

-2x+5y=-10
xintercept=5
yintercept=-2
1st and 2nd and 4th graph are out


-3x+5y=-20
xintercept=20/3
yintercept=-4

3rd graph out



last graph is answer