C looks like the smartest answer to go with.
Answer:
x = 45
Step-by-step explanation:
5 (2x - 5) = 1/2 (18x + 40)
10x - 25 = 9x + 20
10x = 9x + 45
x = 45
Answer:
is the number.
Step-by-step explanation:
First, rewrite the problem as an equation. 
Now, subtract 3 from both sides. 
Finally, divide both sides by 3. 
There’s the answer.
Look below!
2(-2)(7)-3(-2)
-28-(-6)
(Don't forget that when you have two negative signs next to each other, you can make it addition)
SO, -28+6
=-22
Hope that helped!
If im right i think the answer is c