13n-6-12n+9=12

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Solution for 13n-6-12n+9=12 equation:


Simplifying
13n + -6 + -12n + 9 = 12

Reorder the terms:
-6 + 9 + 13n + -12n = 12

Combine like terms: -6 + 9 = 3
3 + 13n + -12n = 12

Combine like terms: 13n + -12n = 1n
3 + 1n = 12

Solving
3 + 1n = 12

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 1n = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 1n = 12 + -3
1n = 12 + -3

Combine like terms: 12 + -3 = 9
1n = 9

Divide each side by '1'.
n = 9

Simplifying
n = 9

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