8m-12=21

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Solution for 8m-12=21 equation: 



8m-12=21

We move all terms to the left:

8m-12-(21)=0

We add all the numbers together, and all the variables

8m-33=0

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

8m=33

m=33/8

m=4+1/8

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