3n+5(4n+6)=99

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Solution for 3n+5(4n+6)=99 equation: 



3n+5(4n+6)=99

We move all terms to the left:

3n+5(4n+6)-(99)=0

We multiply parentheses

3n+20n+30-99=0

We add all the numbers together, and all the variables

23n-69=0

We move all terms containing n to the left, all other terms to the right

23n=69

n=69/23

n=3

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