10m+21=81

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Solution for 10m+21=81 equation: 



10m+21=81

We move all terms to the left:

10m+21-(81)=0

We add all the numbers together, and all the variables

10m-60=0

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

10m=60

m=60/10

m=6

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