-3(n+1)=9

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Solution for -3(n+1)=9 equation: 


Simplifying
-3(n + 1) = 9

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

Solving
-3 + -3n = 9

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 = 9 + 3

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

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

Divide each side by '-3'.
n = -4

Simplifying
n = -4

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