Question

X-4y=15 and 8x-5y=42

Answer 1

y=-2 8/9

x=31 1/2

Explanation:

x-4y=15 --> x=4y+15

8x-5y=42

8(4y+15)-5y = 42

32y +120 - 5y = 42

27y = -78

y=-2 8/9

x=31 1/2