mn-3n+7m-21=

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


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

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

Solving
-21 + 7m + mn + -3n = 0

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 7m + mn + 21 + -3n = 0 + 21

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

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

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

Add '3n' to each side of the equation.
7m + mn + -3n + 3n = 21 + 3n

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

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

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

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

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

The solution to this equation could not be determined.

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