m-2+7=21

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Solution for m-2+7=21 equation:


Simplifying
m + -2 + 7 = 21

Reorder the terms:
-2 + 7 + m = 21

Combine like terms: -2 + 7 = 5
5 + m = 21

Solving
5 + m = 21

Solving for variable 'm'.

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

Add '-5' to each side of the equation.
5 + -5 + m = 21 + -5

Combine like terms: 5 + -5 = 0
0 + m = 21 + -5
m = 21 + -5

Combine like terms: 21 + -5 = 16
m = 16

Simplifying
m = 16

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