mgchelo198 mgchelo198

21-09-2016
Mathematics

contestada

What is the answer to this -3m=-9+-2m

Respuesta :

candystarlover4 candystarlover4

21-09-2016

1. Simplify -9 + -2m to -9 - 2m

-3m = -9 - 2m

2. Add 2m to both sides

-3m + 2m = -9

3. Simplify -3m + 2m to -m

-m = -9

4. Multiply both sides by −1

m = 9

Done! :) our answer is m = 9

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