3M-9=9

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Solution for 3M-9=9 equation: 


Simplifying
3M + -9 = 9

Reorder the terms:
-9 + 3M = 9

Solving
-9 + 3M = 9

Solving for variable 'M'.

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

Add '9' to each side of the equation.
-9 + 9 + 3M = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 3M = 9 + 9
3M = 9 + 9

Combine like terms: 9 + 9 = 18
3M = 18

Divide each side by '3'.
M = 6

Simplifying
M = 6

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