Answer:
9y=-19+7
y=-19/9+7/9
4x-9(-19/9+7/9)=10
4x-9(-4/3)=10
multiply -9 by -4/3 to get 12
4x+12=10
4x=10-12
4x=-2
x=-1/2
if x=-1/2 then y
4(-1/2)-9y=10
-2-9y=10
-9y=12
y=-1/1/3
