Question

Help meeeeee plzz Think about how to use the interactive tool to form an expression equivalent to –x + ( –3x) + 12 – 9. An equivalent expression is______ + 3.

-4x
-2x
2x
4x

Answer 1

the answer is -4x+3.......

Answer 2

Expression equivalent to

`-x+(-3x)+12-9`

An equivalent expression is
`-4x+3`

Explanation:

We have the expression:

`-x+(-3x)+12-9`

We need to simplify this expression:

`-x+(-3x)+12-9\\-x-3x+12-9\\-4x+3`

An equivalent expression is
`-4x+3`