-m-1=7

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Solution for -m-1=7 equation: 


Simplifying
-1m + -1 = 7

Reorder the terms:
-1 + -1m = 7

Solving
-1 + -1m = 7

Solving for variable 'm'.

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

Add '1' to each side of the equation.
-1 + 1 + -1m = 7 + 1

Combine like terms: -1 + 1 = 0
0 + -1m = 7 + 1
-1m = 7 + 1

Combine like terms: 7 + 1 = 8
-1m = 8

Divide each side by '-1'.
m = -8

Simplifying
m = -8

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