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

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



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

We move all terms to the left:

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

We get rid of parentheses

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



We calculate terms in parentheses: -((2x+20)), so:

(2x+20)

We get rid of parentheses

2x+20

Back to the equation:

-(2x+20)



We get rid of parentheses

x-2x-20+40=0

We add all the numbers together, and all the variables

-1x+20=0

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

-x=-20

x=-20/-1

x=+20

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