-21m-12=86

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Solution for -21m-12=86 equation: 


Simplifying
-21m + -12 = 86

Reorder the terms:
-12 + -21m = 86

Solving
-12 + -21m = 86

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + -21m = 86 + 12

Combine like terms: -12 + 12 = 0
0 + -21m = 86 + 12
-21m = 86 + 12

Combine like terms: 86 + 12 = 98
-21m = 98

Divide each side by '-21'.
m = -4.666666667

Simplifying
m = -4.666666667

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