Answer:
x = 4
Step-by-step explanation:
-4*(x + 6) = -40
Multiply both sides by (-1/4):
(-1/4)*(-4)*(x + 6) = (-1/4)*(-40)
Simplify both sides:
x + 6 = 10
Transfer 6 to the right and change the sign of 6 ( 6 --> -6):
x = 10 - 6
Simplifiy one more time:
x = 4
