m+3+4=21

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Solution for m+3+4=21 equation: 


Simplifying
m + 3 + 4 = 21

Reorder the terms:
3 + 4 + m = 21

Combine like terms: 3 + 4 = 7
7 + m = 21

Solving
7 + m = 21

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + m = 21 + -7

Combine like terms: 7 + -7 = 0
0 + m = 21 + -7
m = 21 + -7

Combine like terms: 21 + -7 = 14
m = 14

Simplifying
m = 14

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