-(9+2n)+7n=2(5n+10)+1

Solution for -(9+2n)+7n=2(5n+10)+1 equation:

-(9+2n)+7n=2(5n+10)+1

We move all terms to the left:

-(9+2n)+7n-(2(5n+10)+1)=0

We add all the numbers together, and all the variables

-(2n+9)+7n-(2(5n+10)+1)=0

We add all the numbers together, and all the variables

7n-(2n+9)-(2(5n+10)+1)=0

We get rid of parentheses

7n-2n-(2(5n+10)+1)-9=0


We calculate terms in parentheses: -(2(5n+10)+1), so:

2(5n+10)+1

We multiply parentheses

10n+20+1

We add all the numbers together, and all the variables

10n+21

Back to the equation:

-(10n+21)


We add all the numbers together, and all the variables

5n-(10n+21)-9=0

We get rid of parentheses

5n-10n-21-9=0

We add all the numbers together, and all the variables

-5n-30=0

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

-5n=30

n=30/-5

n=-6