SOLUTION: How do the steps used in problem 1 compare to simplifying rational expressions with variables? What are the similarities and differences in simplifying, adding, subtracting, m

Question 1122250: How do the steps used in problem 1 compare to simplifying rational expressions with variables?
What are the similarities and differences in simplifying, adding, subtracting, multiplying, dividing the expressions?
problem 1: For each of the problems below, evaluate and simplify the expression. Then explain the steps you used to evaluate and simplify the expressions.: https://imgur.com/dAa4FTb

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
You are asking for steps of five separate problem exercises. You use your fraction skills regardless of variables or not. Your examples have no variables.

Too many individual exercises for one help request. You pick one and say what is difficult about it.

The list of exercises:

a:

c:
div.by.

d:

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