21m-49=-91

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Solution for 21m-49=-91 equation: 



21m-49=-91

We move all terms to the left:

21m-49-(-91)=0

We add all the numbers together, and all the variables

21m+42=0

We move all terms containing m to the left, all other terms to the right

21m=-42

m=-42/21

m=-2

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