20=0.5*(x+5)

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Solution for 20=0.5*(x+5) equation: 



20=0.5(x+5)

We move all terms to the left:

20-(0.5(x+5))=0



We calculate terms in parentheses: -(0.5(x+5)), so:

0.5(x+5)

We multiply parentheses

0.5x+2.5

Back to the equation:

-(0.5x+2.5)



We get rid of parentheses

-0.5x-2.5+20=0

We add all the numbers together, and all the variables

-0.5x+17.5=0

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

-0.5x=-17.5

x=-17.5/-0.5

x=+35

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