-2(1+x)+1=20-5x

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Solution for -2(1+x)+1=20-5x equation: 



-2(1+x)+1=20-5x

We move all terms to the left:

-2(1+x)+1-(20-5x)=0

We add all the numbers together, and all the variables

-2(x+1)-(-5x+20)+1=0

We multiply parentheses

-2x-(-5x+20)-2+1=0

We get rid of parentheses

-2x+5x-20-2+1=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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