30m+21=-276

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Solution for 30m+21=-276 equation: 



30m+21=-276

We move all terms to the left:

30m+21-(-276)=0

We add all the numbers together, and all the variables

30m+297=0

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

30m=-297

m=-297/30

m=-9+9/10

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