# How do you solve #8/12=r/(r+1)#?

##### 2 Answers

Sep 15, 2016

#### Answer:

Cross multiply, then solve as usual.

#### Explanation:

Cross multiply.

Expand the left-hand side.

Subract

Simplify.

Divide both sides by

Simplify.

Switch sides.

Sep 15, 2016

#### Answer:

#### Explanation: