3n=5+7

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Solution for 3n=5+7 equation: 


Simplifying
3n = 5 + 7

Combine like terms: 5 + 7 = 12
3n = 12

Solving
3n = 12

Solving for variable 'n'.

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

Divide each side by '3'.
n = 4

Simplifying
n = 4

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