M+3n=-7

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Solution for M+3n=-7 equation: 


Simplifying
M + 3n = -7

Solving
M + 3n = -7

Solving for variable 'M'.

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

Add '-3n' to each side of the equation.
M + 3n + -3n = -7 + -3n

Combine like terms: 3n + -3n = 0
M + 0 = -7 + -3n
M = -7 + -3n

Simplifying
M = -7 + -3n

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