-2(x+20)=40,x=

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Solution for -2(x+20)=40,x= equation: 



-2(x+20)=40.x=

We move all terms to the left:

-2(x+20)-(40.x)=0

We add all the numbers together, and all the variables

-2(x+20)-(+40.x)=0

We multiply parentheses

-2x-(+40.x)-40=0

We get rid of parentheses

-2x-40.x-40=0

We add all the numbers together, and all the variables

-42x-40=0

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

-42x=40

x=40/-42

x=-20/21

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