3(n+1)=12

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


Simplifying
3(n + 1) = 12

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

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

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

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

Divide each side by '3'.
n = 3

Simplifying
n = 3

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