Answer:
The answer is 12 and 4
Step-by-step explanation:
1st equation: -x-(-y)=8
2nd equation: (-x)(-y)=48
-x-(y)=8
-x+y+8
y=x+8
-x(x+8)=48
-x^2-8x=48
Multiply -1
x^2+8x=-48
x^2+8x+48=0
(x+12)(x-4)=0
x=-12
x=4
Check:
-(-12)-(4)=8
12-8=8
8=8
(-12)(-4)=48
48=48
