3n-9n-12=12

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


Simplifying
3n + -9n + -12 = 12

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

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

Solving
-12 + -6n = 12

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 = 12 + 12

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

Combine like terms: 12 + 12 = 24
-6n = 24

Divide each side by '-6'.
n = -4

Simplifying
n = -4

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