6n-66=12+8n-9

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Solution for 6n-66=12+8n-9 equation:


Simplifying
6n + -66 = 12 + 8n + -9

Reorder the terms:
-66 + 6n = 12 + 8n + -9

Reorder the terms:
-66 + 6n = 12 + -9 + 8n

Combine like terms: 12 + -9 = 3
-66 + 6n = 3 + 8n

Solving
-66 + 6n = 3 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
-66 + 6n + -8n = 3 + 8n + -8n

Combine like terms: 6n + -8n = -2n
-66 + -2n = 3 + 8n + -8n

Combine like terms: 8n + -8n = 0
-66 + -2n = 3 + 0
-66 + -2n = 3

Add '66' to each side of the equation.
-66 + 66 + -2n = 3 + 66

Combine like terms: -66 + 66 = 0
0 + -2n = 3 + 66
-2n = 3 + 66

Combine like terms: 3 + 66 = 69
-2n = 69

Divide each side by '-2'.
n = -34.5

Simplifying
n = -34.5

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