# How do you solve #(r+3)/(r-4) = (r-5)/(r+4)#?

##### 2 Answers

#### Explanation:

Eliminate the fractions by cross multiplying:

Distribute each binomial to get two quadratic equations:

Subtract

Add 9 to both sides:

Subtract 12 from both sides:

Divide both sides by 16:

Simplify:

To check your answer, plug in

From there, just simplify:

#### Explanation:

First cross multiply to give you a linear equation.

Then make the equation equal zero.

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