9-m=77

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Solution for 9-m=77 equation: 


Simplifying
9 + -1m = 77

Solving
9 + -1m = 77

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 + -1m = 77 + -9

Combine like terms: 9 + -9 = 0
0 + -1m = 77 + -9
-1m = 77 + -9

Combine like terms: 77 + -9 = 68
-1m = 68

Divide each side by '-1'.
m = -68

Simplifying
m = -68

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