Question

Are the expressions 18+3.1 m+4.21 m-2 and 16+7.31 m equivalent

Answer 1

Yes, they are equivalent.

Explanation:

18 + 3.1m + 4.21m - 2

Combine like terms.

7.31m + 18 - 2

7.31m + 16 = 16 + 7.31m