8n-4-5n=12-n

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Solution for 8n-4-5n=12-n equation:


Simplifying
8n + -4 + -5n = 12 + -1n

Reorder the terms:
-4 + 8n + -5n = 12 + -1n

Combine like terms: 8n + -5n = 3n
-4 + 3n = 12 + -1n

Solving
-4 + 3n = 12 + -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.
-4 + 3n + n = 12 + -1n + n

Combine like terms: 3n + n = 4n
-4 + 4n = 12 + -1n + n

Combine like terms: -1n + n = 0
-4 + 4n = 12 + 0
-4 + 4n = 12

Add '4' to each side of the equation.
-4 + 4 + 4n = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 4n = 12 + 4
4n = 12 + 4

Combine like terms: 12 + 4 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

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