-20.4=5.2+u/2

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Solution for -20.4=5.2+u/2 equation: 



-20.4=5.2+u/2

We move all terms to the left:

-20.4-(5.2+u/2)=0

We add all the numbers together, and all the variables

-(u/2+5.2)-20.4=0

We get rid of parentheses

-u/2-5.2-20.4=0

We multiply all the terms by the denominator


-u-(5.2)*2-(20.4)*2=0

We add all the numbers together, and all the variables

-1u-51.2=0

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

-u=51.2

u=51.2/-1

u=-51+0.2/1

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