(n+9)-(2-2n)=

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


Simplifying
(n + 9) + -1(2 + -2n) = 0

Reorder the terms:
(9 + n) + -1(2 + -2n) = 0

Remove parenthesis around (9 + n)
9 + n + -1(2 + -2n) = 0
9 + n + (2 * -1 + -2n * -1) = 0
9 + n + (-2 + 2n) = 0

Reorder the terms:
9 + -2 + n + 2n = 0

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

Combine like terms: n + 2n = 3n
7 + 3n = 0

Solving
7 + 3n = 0

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 3n = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3n = 0 + -7
3n = 0 + -7

Combine like terms: 0 + -7 = -7
3n = -7

Divide each side by '3'.
n = -2.333333333

Simplifying
n = -2.333333333

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