3n-6+18=9

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Solution for 3n-6+18=9 equation:


Simplifying
3n + -6 + 18 = 9

Reorder the terms:
-6 + 18 + 3n = 9

Combine like terms: -6 + 18 = 12
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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