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

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



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

We move all terms to the left:

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

We get rid of parentheses

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



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

(x-20)

We get rid of parentheses

x-20

Back to the equation:

-(x-20)



We get rid of parentheses

3x-x+20+20=0

We add all the numbers together, and all the variables

2x+40=0

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

2x=-40

x=-40/2

x=-20

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