# How do you solve #2x + 4x + 3x=21#?

##### 1 Answer

Aug 3, 2015

I found

#### Explanation:

You can add together all the terms on the left because they have the same litteral part and get:

you can now transfer the

This is because in your **Equation** the left has always to be equal to the right. If you decide to get rid of the

now you can divide both by