M+1+7=12

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Solution for M+1+7=12 equation: 


Simplifying
M + 1 + 7 = 12

Reorder the terms:
1 + 7 + M = 12

Combine like terms: 1 + 7 = 8
8 + M = 12

Solving
8 + M = 12

Solving for variable 'M'.

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

Add '-8' to each side of the equation.
8 + -8 + M = 12 + -8

Combine like terms: 8 + -8 = 0
0 + M = 12 + -8
M = 12 + -8

Combine like terms: 12 + -8 = 4
M = 4

Simplifying
M = 4

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