19m+2m+m-21m+2m=15

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Solution for 19m+2m+m-21m+2m=15 equation: 


Simplifying
19m + 2m + m + -21m + 2m = 15

Combine like terms: 19m + 2m = 21m
21m + m + -21m + 2m = 15

Combine like terms: 21m + m = 22m
22m + -21m + 2m = 15

Combine like terms: 22m + -21m = 1m
1m + 2m = 15

Combine like terms: 1m + 2m = 3m
3m = 15

Solving
3m = 15

Solving for variable 'm'.

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

Divide each side by '3'.
m = 5

Simplifying
m = 5

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