20=1/2(2x+28)

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Solution for 20=1/2(2x+28) equation: 



20=1/2(2x+28)

We move all terms to the left:

20-(1/2(2x+28))=0



Domain of the equation: 2(2x+28))!=0

x∈R



We multiply all the terms by the denominator


-(1+20*2(2x+28))=0



We calculate terms in parentheses: -(1+20*2(2x+28)), so:

1+20*2(2x+28)

determiningTheFunctionDomain
20*2(2x+28)+1

Wy multiply elements

40x(2+1

Back to the equation:

-(40x(2+1)



We add all the numbers together, and all the variables

-(40x3=0

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