M-12-3=-12

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Solution for M-12-3=-12 equation: 


Simplifying
M + -12 + -3 = -12

Reorder the terms:
-12 + -3 + M = -12

Combine like terms: -12 + -3 = -15
-15 + M = -12

Solving
-15 + M = -12

Solving for variable 'M'.

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

Add '15' to each side of the equation.
-15 + 15 + M = -12 + 15

Combine like terms: -15 + 15 = 0
0 + M = -12 + 15
M = -12 + 15

Combine like terms: -12 + 15 = 3
M = 3

Simplifying
M = 3

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