-1-7n-7n=7(2+n)+3(1-5n)

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Solution for -1-7n-7n=7(2+n)+3(1-5n) equation: 



-1-7n-7n=7(2+n)+3(1-5n)

We move all terms to the left:

-1-7n-7n-(7(2+n)+3(1-5n))=0

We add all the numbers together, and all the variables

-7n-7n-(7(n+2)+3(-5n+1))-1=0

We add all the numbers together, and all the variables

-14n-(7(n+2)+3(-5n+1))-1=0



We calculate terms in parentheses: -(7(n+2)+3(-5n+1)), so:

7(n+2)+3(-5n+1)

We multiply parentheses

7n-15n+14+3

We add all the numbers together, and all the variables

-8n+17

Back to the equation:

-(-8n+17)



We get rid of parentheses

-14n+8n-17-1=0

We add all the numbers together, and all the variables

-6n-18=0

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

-6n=18

n=18/-6

n=-3

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