9+7n-12+1n-5=

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Solution for 9+7n-12+1n-5= equation:


Simplifying
9 + 7n + -12 + 1n + -5 = 0

Reorder the terms:
9 + -12 + -5 + 7n + 1n = 0

Combine like terms: 9 + -12 = -3
-3 + -5 + 7n + 1n = 0

Combine like terms: -3 + -5 = -8
-8 + 7n + 1n = 0

Combine like terms: 7n + 1n = 8n
-8 + 8n = 0

Solving
-8 + 8n = 0

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + 8n = 0 + 8

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

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

Divide each side by '8'.
n = 1

Simplifying
n = 1

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