9m+-20m-(-m)+9m=-6

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Solution for 9m+-20m-(-m)+9m=-6 equation: 


Simplifying
9m + -20m + -1(-1m) + 9m = -6

Remove parenthesis around (-1m)
9m + -20m + -1 * -1m + 9m = -6

Multiply -1 * -1
9m + -20m + 1m + 9m = -6

Combine like terms: 9m + -20m = -11m
-11m + 1m + 9m = -6

Combine like terms: -11m + 1m = -10m
-10m + 9m = -6

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

Solving
-1m = -6

Solving for variable 'm'.

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

Divide each side by '-1'.
m = 6

Simplifying
m = 6

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