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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-8x+7(3x+3)), so:

-8x+7(3x+3)

We multiply parentheses

-8x+21x+21

We add all the numbers together, and all the variables

13x+21

Back to the equation:

-(13x+21)



We get rid of parentheses

8x-13x-21+1=0

We add all the numbers together, and all the variables

-5x-20=0

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

-5x=20

x=20/-5

x=-4

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