(20x-40)=(55+x)

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Solution for (20x-40)=(55+x) equation: 



(20x-40)=(55+x)

We move all terms to the left:

(20x-40)-((55+x))=0

We add all the numbers together, and all the variables

(20x-40)-((x+55))=0

We get rid of parentheses

20x-((x+55))-40=0



We calculate terms in parentheses: -((x+55)), so:

(x+55)

We get rid of parentheses

x+55

Back to the equation:

-(x+55)



We get rid of parentheses

20x-x-55-40=0

We add all the numbers together, and all the variables

19x-95=0

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

19x=95

x=95/19

x=5

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