21m-12=100

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Solution for 21m-12=100 equation: 


Simplifying
21m + -12 = 100

Reorder the terms:
-12 + 21m = 100

Solving
-12 + 21m = 100

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + 21m = 100 + 12

Combine like terms: -12 + 12 = 0
0 + 21m = 100 + 12
21m = 100 + 12

Combine like terms: 100 + 12 = 112
21m = 112

Divide each side by '21'.
m = 5.333333333

Simplifying
m = 5.333333333

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