$6x$5=$30
$50-$30=$20
So 5 books?
Or
50=6x5+x
x=20
Step-by-step explanation:
From your problem statement, I believe the equation will look like this:

The slash means "divided by" -- you should use division to solve this equation.
For division involving exponents with the same base, you can use the following rule:

Subtituting
for
,
for
and
for
, we get the following:

The answer for that is A. 40 cubic in
Answer:
first one
Step-by-step explanation:
Answer:
v = -52
Step-by-step explanation:
Divide both sides by -5
v + 65 = 13
v = 13 - 65
v = -52