M+4m=7+13

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Solution for M+4m=7+13 equation: 


Simplifying
M + 4m = 7 + 13

Combine like terms: 7 + 13 = 20
M + 4m = 20

Solving
M + 4m = 20

Solving for variable 'M'.

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

Add '-4m' to each side of the equation.
M + 4m + -4m = 20 + -4m

Combine like terms: 4m + -4m = 0
M + 0 = 20 + -4m
M = 20 + -4m

Simplifying
M = 20 + -4m

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