Answer:
4x + 8y = 20
-4x + 4y = -10
12y = 10
y =10/12= 5/6
4x + 8(5/6) = 20
4x + 40/6 = 120/6
4x = 80/6
x = 3 1/3 or 10/3
4(10/3) + 8y = 20
40/3 + 8y = 60/3
8y = 20/3
y = 5/6
Step-by-step explanation:
