Answer: 6
Step-by-step explanation:
GIVEN
-8x - 8 = 9(x+2) - 128
DISTRIBUTE
-8x - 8 = 9x + 18 - 128
COMBINE LIKE TERMS
-8x - 8 = 9x - 110
SUBTRACT 9x FROM BOTH SIDES
-17x - 8 = -110
ADD 8 TO BOTH SIDES
-17x = -102
DIVIDE BOTH SIDES BY -17
x = 6
