2x-18=2(20-x)

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Solution for 2x-18=2(20-x) equation: 



2x-18=2(20-x)

We move all terms to the left:

2x-18-(2(20-x))=0

We add all the numbers together, and all the variables

2x-(2(-1x+20))-18=0



We calculate terms in parentheses: -(2(-1x+20)), so:

2(-1x+20)

We multiply parentheses

-2x+40

Back to the equation:

-(-2x+40)



We get rid of parentheses

2x+2x-40-18=0

We add all the numbers together, and all the variables

4x-58=0

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

4x=58

x=58/4

x=14+1/2

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