3(-7-1)=-3(1+8x)

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Solution for 3(-7-1)=-3(1+8x) equation: 



3(-7-1)=-3(1+8x)

We move all terms to the left:

3(-7-1)-(-3(1+8x))=0

We add all the numbers together, and all the variables

-(-3(8x+1))+3(-8)=0

We add all the numbers together, and all the variables

-(-3(8x+1))-24=0



We calculate terms in parentheses: -(-3(8x+1)), so:

-3(8x+1)

We multiply parentheses

-24x-3

Back to the equation:

-(-24x-3)



We get rid of parentheses

24x+3-24=0

We add all the numbers together, and all the variables

24x-21=0

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

24x=21

x=21/24

x=7/8

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