28=(u/2)+20

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



28=(u/2)+20

We move all terms to the left:

28-((u/2)+20)=0

We add all the numbers together, and all the variables

-((+u/2)+20)+28=0

We multiply all the terms by the denominator


-((+u+28*2)+20)=0



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

(+u+28*2)+20

We add all the numbers together, and all the variables

(u+56)+20

We get rid of parentheses

u+56+20

We add all the numbers together, and all the variables

u+76

Back to the equation:

-(u+76)



We get rid of parentheses

-u-76=0

We add all the numbers together, and all the variables

-1u-76=0

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

-u=76

u=76/-1

u=-76

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