Answer is 325 your welcome
I thinks 5 because -2(x) = -2x and -2(5)=-10
So -2x=-10
-10/-2=5
X=5
A. -14x+21
because -7 times 2x is -14x and -7 times -3 is 21
Subtract magazine from total:
25 -5 = 20
Divide by number of erasers:
20/4 = 5
Each eraser cost $5
