1-4m-2=-21

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Solution for 1-4m-2=-21 equation: 



1-4m-2=-21

We move all terms to the left:

1-4m-2-(-21)=0

We add all the numbers together, and all the variables

-4m+20=0

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

-4m=-20

m=-20/-4

m=+5

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