m-15=-21

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Solution for m-15=-21 equation: 


Simplifying
m + -15 = -21

Reorder the terms:
-15 + m = -21

Solving
-15 + m = -21

Solving for variable 'm'.

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

Add '15' to each side of the equation.
-15 + 15 + m = -21 + 15

Combine like terms: -15 + 15 = 0
0 + m = -21 + 15
m = -21 + 15

Combine like terms: -21 + 15 = -6
m = -6

Simplifying
m = -6

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