6n+7(n+5)=21

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Solution for 6n+7(n+5)=21 equation: 



6n+7(n+5)=21

We move all terms to the left:

6n+7(n+5)-(21)=0

We multiply parentheses

6n+7n+35-21=0

We add all the numbers together, and all the variables

13n+14=0

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

13n=-14

n=-14/13

n=-1+1/13

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