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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