-(3+9n)+7=9-(5+n)

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Solution for -(3+9n)+7=9-(5+n) equation:


Simplifying
-1(3 + 9n) + 7 = 9 + -1(5 + n)
(3 * -1 + 9n * -1) + 7 = 9 + -1(5 + n)
(-3 + -9n) + 7 = 9 + -1(5 + n)

Reorder the terms:
-3 + 7 + -9n = 9 + -1(5 + n)

Combine like terms: -3 + 7 = 4
4 + -9n = 9 + -1(5 + n)
4 + -9n = 9 + (5 * -1 + n * -1)
4 + -9n = 9 + (-5 + -1n)

Combine like terms: 9 + -5 = 4
4 + -9n = 4 + -1n

Add '-4' to each side of the equation.
4 + -4 + -9n = 4 + -4 + -1n

Combine like terms: 4 + -4 = 0
0 + -9n = 4 + -4 + -1n
-9n = 4 + -4 + -1n

Combine like terms: 4 + -4 = 0
-9n = 0 + -1n
-9n = -1n

Solving
-9n = -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-9n + n = -1n + n

Combine like terms: -9n + n = -8n
-8n = -1n + n

Combine like terms: -1n + n = 0
-8n = 0

Divide each side by '-8'.
n = 0

Simplifying
n = 0

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