8x - 6y = -32 (eq. 1)
-8x + 5y = 36 (eq. 2)
Adding equation 2 to equation 1,
8x - 6y = -32
+
-8x + 5y = 36
-----------------------
-y = 4
y = -4
Replacing this result into the first equation,
8x - 6(-4) = -32
8x + 24 = -32
8x = -32 - 24
8x = -56
x = -56/8
x = -7