3(1+5n)=-7(-n-5)

Solution for 3(1+5n)=-7(-n-5) equation:

3(1+5n)=-7(-n-5)

We move all terms to the left:

3(1+5n)-(-7(-n-5))=0

We add all the numbers together, and all the variables

3(5n+1)-(-7(-1n-5))=0

We multiply parentheses

15n-(-7(-1n-5))+3=0


We calculate terms in parentheses: -(-7(-1n-5)), so:

-7(-1n-5)

We multiply parentheses

7n+35

Back to the equation:

-(7n+35)


We get rid of parentheses

15n-7n-35+3=0

We add all the numbers together, and all the variables

8n-32=0

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

8n=32

n=32/8

n=4