Answer:
x = -9
Step-by-step explanation:
5x + 4 = -41 Your goal is to get x alone on on side
- 4 - 4 Subtract 4 from both sides to get 5x alone
5x = -45 Now you need to divide to get what x equals
Divide by 5 to get x

Answer:
-2
Step-by-step explanation:
g(2) = 5*2-7 = 3
f(g(2)) = f(3) = 3^2 - 3*3 - 2
= 9-9-2
= -2
Answer:
Step-by-step explanation:
you need to use the proportions
x=(3*5)/8=15/8
(-4)(-2)= 8
8(-5)= -40
Answer: -40