9m-21=51

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Solution for 9m-21=51 equation: 


Simplifying
9m + -21 = 51

Reorder the terms:
-21 + 9m = 51

Solving
-21 + 9m = 51

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + 9m = 51 + 21

Combine like terms: -21 + 21 = 0
0 + 9m = 51 + 21
9m = 51 + 21

Combine like terms: 51 + 21 = 72
9m = 72

Divide each side by '9'.
m = 8

Simplifying
m = 8

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