-3(2n+4)=9

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Solution for -3(2n+4)=9 equation: 


Simplifying
-3(2n + 4) = 9

Reorder the terms:
-3(4 + 2n) = 9
(4 * -3 + 2n * -3) = 9
(-12 + -6n) = 9

Solving
-12 + -6n = 9

Solving for variable 'n'.

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

Add '12' to each side of the equation.
-12 + 12 + -6n = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -6n = 9 + 12
-6n = 9 + 12

Combine like terms: 9 + 12 = 21
-6n = 21

Divide each side by '-6'.
n = -3.5

Simplifying
n = -3.5

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