# 1/s+1/r=1/b. solve for b?

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rational expressions

rational expressions

##### 1 Answer

#### Explanation:

Given

Solve for

1) Get

After you have multiplied and canceled, you will have this:

2) Clear the first fraction by multiplying all the terms on both sides by

3) Clear the second fraction by multiplying all the terms on both sides by

This is the same as

4) Factor out

5) Divide both sides by

Answer: