7M+13=M+7

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Solution for 7M+13=M+7 equation: 


Simplifying
7M + 13 = M + 7

Reorder the terms:
13 + 7M = M + 7

Reorder the terms:
13 + 7M = 7 + M

Solving
13 + 7M = 7 + M

Solving for variable 'M'.

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

Add '-1M' to each side of the equation.
13 + 7M + -1M = 7 + M + -1M

Combine like terms: 7M + -1M = 6M
13 + 6M = 7 + M + -1M

Combine like terms: M + -1M = 0
13 + 6M = 7 + 0
13 + 6M = 7

Add '-13' to each side of the equation.
13 + -13 + 6M = 7 + -13

Combine like terms: 13 + -13 = 0
0 + 6M = 7 + -13
6M = 7 + -13

Combine like terms: 7 + -13 = -6
6M = -6

Divide each side by '6'.
M = -1

Simplifying
M = -1

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