21=9m-6

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Solution for 21=9m-6 equation:


Simplifying
21 = 9m + -6

Reorder the terms:
21 = -6 + 9m

Solving
21 = -6 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
21 + -9m = -6 + 9m + -9m

Combine like terms: 9m + -9m = 0
21 + -9m = -6 + 0
21 + -9m = -6

Add '-21' to each side of the equation.
21 + -21 + -9m = -6 + -21

Combine like terms: 21 + -21 = 0
0 + -9m = -6 + -21
-9m = -6 + -21

Combine like terms: -6 + -21 = -27
-9m = -27

Divide each side by '-9'.
m = 3

Simplifying
m = 3

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