9.9+m=4m-15

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Solution for 9.9+m=4m-15 equation: 


Simplifying
9.9 + m = 4m + -15

Reorder the terms:
9.9 + m = -15 + 4m

Solving
9.9 + m = -15 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
9.9 + m + -4m = -15 + 4m + -4m

Combine like terms: m + -4m = -3m
9.9 + -3m = -15 + 4m + -4m

Combine like terms: 4m + -4m = 0
9.9 + -3m = -15 + 0
9.9 + -3m = -15

Add '-9.9' to each side of the equation.
9.9 + -9.9 + -3m = -15 + -9.9

Combine like terms: 9.9 + -9.9 = 0.0
0.0 + -3m = -15 + -9.9
-3m = -15 + -9.9

Combine like terms: -15 + -9.9 = -24.9
-3m = -24.9

Divide each side by '-3'.
m = 8.3

Simplifying
m = 8.3

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