M-10+15=21

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Solution for M-10+15=21 equation: 


Simplifying
M + -10 + 15 = 21

Reorder the terms:
-10 + 15 + M = 21

Combine like terms: -10 + 15 = 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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