20-7x=-2(1-7x)+1

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Solution for 20-7x=-2(1-7x)+1 equation: 



20-7x=-2(1-7x)+1

We move all terms to the left:

20-7x-(-2(1-7x)+1)=0

We add all the numbers together, and all the variables

-7x-(-2(-7x+1)+1)+20=0



We calculate terms in parentheses: -(-2(-7x+1)+1), so:

-2(-7x+1)+1

We multiply parentheses

14x-2+1

We add all the numbers together, and all the variables

14x-1

Back to the equation:

-(14x-1)



We get rid of parentheses

-7x-14x+1+20=0

We add all the numbers together, and all the variables

-21x+21=0

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

-21x=-21

x=-21/-21

x=1

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