7n+2n=45

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Solution for 7n+2n=45 equation: 


Simplifying
7n + 2n = 45

Combine like terms: 7n + 2n = 9n
9n = 45

Solving
9n = 45

Solving for variable 'n'.

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

Divide each side by '9'.
n = 5

Simplifying
n = 5

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