Question: Which of the following is not equivalent to this expression? 2 m+10 m+14+3
A) m+12 m+8+9
B) 2 m+10+10 m+7
C) 6 m+6 m-1+18
D) 15 m+15-3 m+2
Correct answer: A
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.A.1