-21m-16=89

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Solution for -21m-16=89 equation: 


Simplifying
-21m + -16 = 89

Reorder the terms:
-16 + -21m = 89

Solving
-16 + -21m = 89

Solving for variable 'm'.

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

Add '16' to each side of the equation.
-16 + 16 + -21m = 89 + 16

Combine like terms: -16 + 16 = 0
0 + -21m = 89 + 16
-21m = 89 + 16

Combine like terms: 89 + 16 = 105
-21m = 105

Divide each side by '-21'.
m = -5

Simplifying
m = -5

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