Answer:
x=-4
y=-2
Explanation:
-4x-4y=24. .........1
3x+10=y...........2
since y is already isolated in equation 2 we can substitute the y value
subs 2 into 1
-4x-4(3x+10)=24.
-4x-12x-40=24
-16x=24+40
x=-4.....3
subs 3 into 2
3(-4)+10=y
-12+10=y
-2=y