-m-1=3

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Solution for -m-1=3 equation:


Simplifying
-1m + -1 = 3

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

Solving
-1 + -1m = 3

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 = 3 + 1

Combine like terms: -1 + 1 = 0
0 + -1m = 3 + 1
-1m = 3 + 1

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

Divide each side by '-1'.
m = -4

Simplifying
m = -4

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