# How to solve a-a+a+2a?

##### 2 Answers

Jun 25, 2018

See explanation.

#### Explanation:

This expression cannot be solved because it is neither an equation nor an inequality.

You probably meant to simplify the expression.

The expression can be simplified to

#a-a+a+2a=a+2a=3a#

First we can see that

Jun 25, 2018

#### Explanation:

Given:

Notice how the first two terms cancel out.

Now, just add like-terms.