-m-(3m+1)=2m+9

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Solution for -m-(3m+1)=2m+9 equation: 


Simplifying
-1m + -1(3m + 1) = 2m + 9

Reorder the terms:
-1m + -1(1 + 3m) = 2m + 9
-1m + (1 * -1 + 3m * -1) = 2m + 9
-1m + (-1 + -3m) = 2m + 9

Reorder the terms:
-1 + -1m + -3m = 2m + 9

Combine like terms: -1m + -3m = -4m
-1 + -4m = 2m + 9

Reorder the terms:
-1 + -4m = 9 + 2m

Solving
-1 + -4m = 9 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-1 + -4m + -2m = 9 + 2m + -2m

Combine like terms: -4m + -2m = -6m
-1 + -6m = 9 + 2m + -2m

Combine like terms: 2m + -2m = 0
-1 + -6m = 9 + 0
-1 + -6m = 9

Add '1' to each side of the equation.
-1 + 1 + -6m = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -6m = 9 + 1
-6m = 9 + 1

Combine like terms: 9 + 1 = 10
-6m = 10

Divide each side by '-6'.
m = -1.666666667

Simplifying
m = -1.666666667

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