23-4m=21

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Solution for 23-4m=21 equation: 



23-4m=21

We move all terms to the left:

23-4m-(21)=0

We add all the numbers together, and all the variables

-4m+2=0

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

-4m=-2

m=-2/-4

m=1/2

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