20=2(x-9)

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Solution for 20=2(x-9) equation: 



20=2(x-9)

We move all terms to the left:

20-(2(x-9))=0



We calculate terms in parentheses: -(2(x-9)), so:

2(x-9)

We multiply parentheses

2x-18

Back to the equation:

-(2x-18)



We get rid of parentheses

-2x+18+20=0

We add all the numbers together, and all the variables

-2x+38=0

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

-2x=-38

x=-38/-2

x=+19

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