Answer:

Step-by-step explanation:
The first step is to ensure that all of the fractions have a common denominator.

Hope this helps!
Answer:
The answer is 448 seconds
Step-by-step explanation:
4x + 1 = -3
"The product" is the term used to describe the answer of a multiplication equation.
"increased by" means you're adding.
"a number" refers to a variable.
Answer:
5
Step-by-step explanation:
Replace 20 instead of m
20/4=5