3n-12=-9

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Solution for 3n-12=-9 equation: 


Simplifying
3n + -12 = -9

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

Solving
-12 + 3n = -9

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 + 3n = -9 + 12

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

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

Divide each side by '3'.
n = 1

Simplifying
n = 1

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