m+3m-8m-9=

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Solution for m+3m-8m-9= equation:


Simplifying
m + 3m + -8m + -9 = 0

Reorder the terms:
-9 + m + 3m + -8m = 0

Combine like terms: m + 3m = 4m
-9 + 4m + -8m = 0

Combine like terms: 4m + -8m = -4m
-9 + -4m = 0

Solving
-9 + -4m = 0

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 + -4m = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -4m = 0 + 9
-4m = 0 + 9

Combine like terms: 0 + 9 = 9
-4m = 9

Divide each side by '-4'.
m = -2.25

Simplifying
m = -2.25

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