Question

Which expression is equivalent to 2x-9+7x?

Answer 1

`9x - 9` or `9(x - 1)`

Explanation:

Combine like terms to simplify and create and equivalent expression:

`2x - 9 + 7x -> 2x + 7x - 9 -> (2 + 7)x - 9 -> 9x - 9 ->`

`9*x - 9*1 -> 9(x - 1)`