9=8(n+2)-n

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Solution for 9=8(n+2)-n equation:


Simplifying
9 = 8(n + 2) + -1n

Reorder the terms:
9 = 8(2 + n) + -1n
9 = (2 * 8 + n * 8) + -1n
9 = (16 + 8n) + -1n

Combine like terms: 8n + -1n = 7n
9 = 16 + 7n

Solving
9 = 16 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
9 + -7n = 16 + 7n + -7n

Combine like terms: 7n + -7n = 0
9 + -7n = 16 + 0
9 + -7n = 16

Add '-9' to each side of the equation.
9 + -9 + -7n = 16 + -9

Combine like terms: 9 + -9 = 0
0 + -7n = 16 + -9
-7n = 16 + -9

Combine like terms: 16 + -9 = 7
-7n = 7

Divide each side by '-7'.
n = -1

Simplifying
n = -1

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