3(3n-1)=12

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Solution for 3(3n-1)=12 equation:


Simplifying
3(3n + -1) = 12

Reorder the terms:
3(-1 + 3n) = 12
(-1 * 3 + 3n * 3) = 12
(-3 + 9n) = 12

Solving
-3 + 9n = 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 + 9n = 12 + 3

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

Combine like terms: 12 + 3 = 15
9n = 15

Divide each side by '9'.
n = 1.666666667

Simplifying
n = 1.666666667

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