mn-3n+7-21=

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Solution for mn-3n+7-21= equation:


Simplifying
mn + -3n + 7 + -21 = 0

Reorder the terms:
7 + -21 + mn + -3n = 0

Combine like terms: 7 + -21 = -14
-14 + mn + -3n = 0

Solving
-14 + mn + -3n = 0

Solving for variable 'm'.

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

Add '14' to each side of the equation.
-14 + mn + 14 + -3n = 0 + 14

Reorder the terms:
-14 + 14 + mn + -3n = 0 + 14

Combine like terms: -14 + 14 = 0
0 + mn + -3n = 0 + 14
mn + -3n = 0 + 14

Combine like terms: 0 + 14 = 14
mn + -3n = 14

Add '3n' to each side of the equation.
mn + -3n + 3n = 14 + 3n

Combine like terms: -3n + 3n = 0
mn + 0 = 14 + 3n
mn = 14 + 3n

Divide each side by 'n'.
m = 14n-1 + 3

Simplifying
m = 14n-1 + 3

Reorder the terms:
m = 3 + 14n-1

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