Answer: $15
Step-by-step explanation:
-$50 + $75 = $15
When solving this equation you get x = -3.
To solve this, simply follow the order of operations for solving.
----> start by dividing both sides by 5
-----> Now you can transform the front side of the equation to use negative exponents.

Since both x and -3 are the powers of x, we can eliminate the 7 and just make the exponents equal.
-3 = x
Answer: D. 20
Step-by-step explanation:
(4/5)(25/1)
= 100/5
=20