3n+12-9n=0

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Solution for 3n+12-9n=0 equation:


Simplifying
3n + 12 + -9n = 0

Reorder the terms:
12 + 3n + -9n = 0

Combine like terms: 3n + -9n = -6n
12 + -6n = 0

Solving
12 + -6n = 0

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + -6n = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -6n = 0 + -12
-6n = 0 + -12

Combine like terms: 0 + -12 = -12
-6n = -12

Divide each side by '-6'.
n = 2

Simplifying
n = 2

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