-21-15m=216

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Solution for -21-15m=216 equation: 


Simplifying
-21 + -15m = 216

Solving
-21 + -15m = 216

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + -15m = 216 + 21

Combine like terms: -21 + 21 = 0
0 + -15m = 216 + 21
-15m = 216 + 21

Combine like terms: 216 + 21 = 237
-15m = 237

Divide each side by '-15'.
m = -15.8

Simplifying
m = -15.8

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