7m+3n-3m+9n=

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Solution for 7m+3n-3m+9n= equation:


Simplifying
7m + 3n + -3m + 9n = 0

Reorder the terms:
7m + -3m + 3n + 9n = 0

Combine like terms: 7m + -3m = 4m
4m + 3n + 9n = 0

Combine like terms: 3n + 9n = 12n
4m + 12n = 0

Solving
4m + 12n = 0

Solving for variable 'm'.

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

Add '-12n' to each side of the equation.
4m + 12n + -12n = 0 + -12n

Combine like terms: 12n + -12n = 0
4m + 0 = 0 + -12n
4m = 0 + -12n
Remove the zero:
4m = -12n

Divide each side by '4'.
m = -3n

Simplifying
m = -3n

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