1+7(x+3)=-20-7x

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Solution for 1+7(x+3)=-20-7x equation: 



1+7(x+3)=-20-7x

We move all terms to the left:

1+7(x+3)-(-20-7x)=0

We add all the numbers together, and all the variables

7(x+3)-(-7x-20)+1=0

We multiply parentheses

7x-(-7x-20)+21+1=0

We get rid of parentheses

7x+7x+20+21+1=0

We add all the numbers together, and all the variables

14x+42=0

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

14x=-42

x=-42/14

x=-3

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