(mn)-3=

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Solution for (mn)-3= equation: 


Simplifying
(mn) + -3 = 0
mn + -3 = 0

Reorder the terms:
-3 + mn = 0

Solving
-3 + mn = 0

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 + mn = 0 + 3

Combine like terms: -3 + 3 = 0
0 + mn = 0 + 3
mn = 0 + 3

Combine like terms: 0 + 3 = 3
mn = 3

Divide each side by 'n'.
m = 3n-1

Simplifying
m = 3n-1

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