4m=m+21

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Solution for 4m=m+21 equation: 


Simplifying
4m = m + 21

Reorder the terms:
4m = 21 + m

Solving
4m = 21 + 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.
4m + -1m = 21 + m + -1m

Combine like terms: 4m + -1m = 3m
3m = 21 + m + -1m

Combine like terms: m + -1m = 0
3m = 21 + 0
3m = 21

Divide each side by '3'.
m = 7

Simplifying
m = 7

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