3(2n+3)+5(2n-9)=4(2n+5)

Solution for 3(2n+3)+5(2n-9)=4(2n+5) equation:

3(2n+3)+5(2n-9)=4(2n+5)

We move all terms to the left:

3(2n+3)+5(2n-9)-(4(2n+5))=0

We multiply parentheses

6n+10n-(4(2n+5))+9-45=0


We calculate terms in parentheses: -(4(2n+5)), so:

4(2n+5)

We multiply parentheses

8n+20

Back to the equation:

-(8n+20)


We add all the numbers together, and all the variables

16n-(8n+20)-36=0

We get rid of parentheses

16n-8n-20-36=0

We add all the numbers together, and all the variables

8n-56=0

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

8n=56

n=56/8

n=7