6-3m=-21

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Solution for 6-3m=-21 equation:



6-3m=-21
We move all terms to the left:
6-3m-(-21)=0
We add all the numbers together, and all the variables
-3m+27=0
We move all terms containing m to the left, all other terms to the right
-3m=-27
m=-27/-3
m=+9

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