m-m-m-m-m=21

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Solution for m-m-m-m-m=21 equation: 


Simplifying
m + -1m + -1m + -1m + -1m = 21

Combine like terms: m + -1m = 0
0 + -1m + -1m + -1m = 21
-1m + -1m + -1m = 21

Combine like terms: -1m + -1m = -2m
-2m + -1m = 21

Combine like terms: -2m + -1m = -3m
-3m = 21

Solving
-3m = 21

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Divide each side by '-3'.
m = -7

Simplifying
m = -7

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