Question

Simplify this expression, 12x-13-x-9+10x=

Answer 1

The expression to simplify is:

`12x-13-x-9+10x`

To simplify, we collect the like terms.

We add/subtract x's and numbers separately.

Let's do this:

`\begin{gathered} 12x-13-x-9+10x \\ =12x-x+10x-13-9 \\ =21x-22 \end{gathered}`

From the answer choice,

Correct Answer is B