(x+20)=(4x-40)

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Solution for (x+20)=(4x-40) equation: 



(x+20)=(4x-40)

We move all terms to the left:

(x+20)-((4x-40))=0

We get rid of parentheses

x-((4x-40))+20=0



We calculate terms in parentheses: -((4x-40)), so:

(4x-40)

We get rid of parentheses

4x-40

Back to the equation:

-(4x-40)



We get rid of parentheses

x-4x+40+20=0

We add all the numbers together, and all the variables

-3x+60=0

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

-3x=-60

x=-60/-3

x=+20

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