12n+9-1=12

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Solution for 12n+9-1=12 equation:


Simplifying
12n + 9 + -1 = 12

Reorder the terms:
9 + -1 + 12n = 12

Combine like terms: 9 + -1 = 8
8 + 12n = 12

Solving
8 + 12n = 12

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + 12n = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 12n = 12 + -8
12n = 12 + -8

Combine like terms: 12 + -8 = 4
12n = 4

Divide each side by '12'.
n = 0.3333333333

Simplifying
n = 0.3333333333

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