All you have to do is solve for x. See the following steps below.
Step 1. Subtract

from both sides

Step 2. Simplify

to

Answer:
3
Step-by-step explanation:
Remember that when we are dividing two exponents with the same base (here, it's 13), we can subtract the values of the powers:

So, here, we have
, so we subtract 7 from 10:

Thus, 3 should go in the box.
Answer: -3
Step-by-step explanation:
In order to get 10 pizzas and about 90 cupcakes is to spend roughly 250$ but u could cut back on pizzas.
Answer:
1.43 minutes to get same height
Step-by-step explanation:
Equation
180 - 8x = 160 + 6x
14x = 20
x = 1.43 minutes