-m-3=-7

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Solution for -m-3=-7 equation:


Simplifying
-1m + -3 = -7

Reorder the terms:
-3 + -1m = -7

Solving
-3 + -1m = -7

Solving for variable 'm'.

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

Add '3' to each side of the equation.
-3 + 3 + -1m = -7 + 3

Combine like terms: -3 + 3 = 0
0 + -1m = -7 + 3
-1m = -7 + 3

Combine like terms: -7 + 3 = -4
-1m = -4

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

Simplifying
m = 4

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