9=-2m+-1

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Solution for 9=-2m+-1 equation:


Simplifying
9 = -2m + -1

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

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

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

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

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

Combine like terms: -1 + -9 = -10
2m = -10

Divide each side by '2'.
m = -5

Simplifying
m = -5

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