(3x+20)=(x+40)

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Solution for (3x+20)=(x+40) equation: 



(3x+20)=(x+40)

We move all terms to the left:

(3x+20)-((x+40))=0

We get rid of parentheses

3x-((x+40))+20=0



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

(x+40)

We get rid of parentheses

x+40

Back to the equation:

-(x+40)



We get rid of parentheses

3x-x-40+20=0

We add all the numbers together, and all the variables

2x-20=0

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

2x=20

x=20/2

x=10

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