3n+7n=20

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Solution for 3n+7n=20 equation: 


Simplifying
3n + 7n = 20

Combine like terms: 3n + 7n = 10n
10n = 20

Solving
10n = 20

Solving for variable 'n'.

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

Divide each side by '10'.
n = 2

Simplifying
n = 2

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