(9+6n)+(-2-2n)+(5+4n)=

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Solution for (9+6n)+(-2-2n)+(5+4n)= equation:


Simplifying
(9 + 6n) + (-2 + -2n) + (5 + 4n) = 0

Remove parenthesis around (9 + 6n)
9 + 6n + (-2 + -2n) + (5 + 4n) = 0

Remove parenthesis around (-2 + -2n)
9 + 6n + -2 + -2n + (5 + 4n) = 0

Remove parenthesis around (5 + 4n)
9 + 6n + -2 + -2n + 5 + 4n = 0

Reorder the terms:
9 + -2 + 5 + 6n + -2n + 4n = 0

Combine like terms: 9 + -2 = 7
7 + 5 + 6n + -2n + 4n = 0

Combine like terms: 7 + 5 = 12
12 + 6n + -2n + 4n = 0

Combine like terms: 6n + -2n = 4n
12 + 4n + 4n = 0

Combine like terms: 4n + 4n = 8n
12 + 8n = 0

Solving
12 + 8n = 0

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 + 8n = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 8n = 0 + -12
8n = 0 + -12

Combine like terms: 0 + -12 = -12
8n = -12

Divide each side by '8'.
n = -1.5

Simplifying
n = -1.5

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