M-4+7-4=12

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Solution for M-4+7-4=12 equation:


Simplifying
M + -4 + 7 + -4 = 12

Reorder the terms:
-4 + 7 + -4 + M = 12

Combine like terms: -4 + 7 = 3
3 + -4 + M = 12

Combine like terms: 3 + -4 = -1
-1 + M = 12

Solving
-1 + M = 12

Solving for variable 'M'.

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

Add '1' to each side of the equation.
-1 + 1 + M = 12 + 1

Combine like terms: -1 + 1 = 0
0 + M = 12 + 1
M = 12 + 1

Combine like terms: 12 + 1 = 13
M = 13

Simplifying
M = 13

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