17+m=21

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Solution for 17+m=21 equation: 


Simplifying
17 + m = 21

Solving
17 + m = 21

Solving for variable 'm'.

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

Add '-17' to each side of the equation.
17 + -17 + m = 21 + -17

Combine like terms: 17 + -17 = 0
0 + m = 21 + -17
m = 21 + -17

Combine like terms: 21 + -17 = 4
m = 4

Simplifying
m = 4

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