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

1 Answer
smendyka
Nov 30, 2016

9x - 99x−9 or 9(x - 1) 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 ->2x−9+7x→2x+7x−9→(2+7)x−9→9x−9→

9*x - 9*1 -> 9(x - 1) 9⋅x−9⋅1→9(x−1)

Related questions
See all questions in Variable Expressions
Impact of this question
2499 views around the world
You can reuse this answer
Creative Commons License