0=-3n+12-9

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


Simplifying
0 = -3n + 12 + -9

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

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

Solving
0 = 3 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
0 + 3n = 3 + -3n + 3n
Remove the zero:
3n = 3 + -3n + 3n

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

Divide each side by '3'.
n = 1

Simplifying
n = 1

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