3n+8n=12+7n

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Solution for 3n+8n=12+7n equation: 


Simplifying
3n + 8n = 12 + 7n

Combine like terms: 3n + 8n = 11n
11n = 12 + 7n

Solving
11n = 12 + 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.
11n + -7n = 12 + 7n + -7n

Combine like terms: 11n + -7n = 4n
4n = 12 + 7n + -7n

Combine like terms: 7n + -7n = 0
4n = 12 + 0
4n = 12

Divide each side by '4'.
n = 3

Simplifying
n = 3

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