121=3(3+2n)+8n

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Solution for 121=3(3+2n)+8n equation: 



121=3(3+2n)+8n

We move all terms to the left:

121-(3(3+2n)+8n)=0

We add all the numbers together, and all the variables

-(3(2n+3)+8n)+121=0



We calculate terms in parentheses: -(3(2n+3)+8n), so:

3(2n+3)+8n

We add all the numbers together, and all the variables

8n+3(2n+3)

We multiply parentheses

8n+6n+9

We add all the numbers together, and all the variables

14n+9

Back to the equation:

-(14n+9)



We get rid of parentheses

-14n-9+121=0

We add all the numbers together, and all the variables

-14n+112=0

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

-14n=-112

n=-112/-14

n=+8

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