9m-21=-435

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Solution for 9m-21=-435 equation: 



9m-21=-435

We move all terms to the left:

9m-21-(-435)=0

We add all the numbers together, and all the variables

9m+414=0

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

9m=-414

m=-414/9

m=-46

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