7(2+n)-5n=3(6+3n)+3

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Solution for 7(2+n)-5n=3(6+3n)+3 equation: 



7(2+n)-5n=3(6+3n)+3

We move all terms to the left:

7(2+n)-5n-(3(6+3n)+3)=0

We add all the numbers together, and all the variables

7(n+2)-5n-(3(3n+6)+3)=0

We add all the numbers together, and all the variables

-5n+7(n+2)-(3(3n+6)+3)=0

We multiply parentheses

-5n+7n-(3(3n+6)+3)+14=0



We calculate terms in parentheses: -(3(3n+6)+3), so:

3(3n+6)+3

We multiply parentheses

9n+18+3

We add all the numbers together, and all the variables

9n+21

Back to the equation:

-(9n+21)



We add all the numbers together, and all the variables

2n-(9n+21)+14=0

We get rid of parentheses

2n-9n-21+14=0

We add all the numbers together, and all the variables

-7n-7=0

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

-7n=7

n=7/-7

n=-1

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