Answer:
y = 5, x= 1/2
Explanation:
8x+7y = 39
4x - 14y = -68
x = 39/8 - 7/8y
4(39/8 - 7/8y) -14y = -68
19.5 - 3.5y -14y = -68
-17.5y = -87.5
y = 5
x = 39/8 - 7/8(5)
x = 0.5 or 1/2
6.0m questions
7.9m answers