-(n-8)=8(n-8)+9n

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Solution for -(n-8)=8(n-8)+9n equation:


Simplifying
-1(n + -8) = 8(n + -8) + 9n

Reorder the terms:
-1(-8 + n) = 8(n + -8) + 9n
(-8 * -1 + n * -1) = 8(n + -8) + 9n
(8 + -1n) = 8(n + -8) + 9n

Reorder the terms:
8 + -1n = 8(-8 + n) + 9n
8 + -1n = (-8 * 8 + n * 8) + 9n
8 + -1n = (-64 + 8n) + 9n

Combine like terms: 8n + 9n = 17n
8 + -1n = -64 + 17n

Solving
8 + -1n = -64 + 17n

Solving for variable 'n'.

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

Add '-17n' to each side of the equation.
8 + -1n + -17n = -64 + 17n + -17n

Combine like terms: -1n + -17n = -18n
8 + -18n = -64 + 17n + -17n

Combine like terms: 17n + -17n = 0
8 + -18n = -64 + 0
8 + -18n = -64

Add '-8' to each side of the equation.
8 + -8 + -18n = -64 + -8

Combine like terms: 8 + -8 = 0
0 + -18n = -64 + -8
-18n = -64 + -8

Combine like terms: -64 + -8 = -72
-18n = -72

Divide each side by '-18'.
n = 4

Simplifying
n = 4

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