-15m-9=90

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Solution for -15m-9=90 equation: 


Simplifying
-15m + -9 = 90

Reorder the terms:
-9 + -15m = 90

Solving
-9 + -15m = 90

Solving for variable 'm'.

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

Add '9' to each side of the equation.
-9 + 9 + -15m = 90 + 9

Combine like terms: -9 + 9 = 0
0 + -15m = 90 + 9
-15m = 90 + 9

Combine like terms: 90 + 9 = 99
-15m = 99

Divide each side by '-15'.
m = -6.6

Simplifying
m = -6.6

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