Answer:
x = -10
Step-by-step explanation:
move all the constants (numbers without variables) to one side to get
-4x = 42 - 2
-4x = 40
multiply by -1
4x = -40
divide by 4
x = -10
The answer is B. 8x+6. You multiple 3 and x+4 then combine like terms
I did wow owner was very rude
Answer:
..... surface area = 16 km^2.
