7=3+u/5.12

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Solution for 7=3+u/5.12 equation: 



7=3+u/5.12

We move all terms to the left:

7-(3+u/5.12)=0

We add all the numbers together, and all the variables

-(u/5.12+3)+7=0

We get rid of parentheses

-u/5.12-3+7=0

We multiply all the terms by the denominator


-u-3*5.12+7*5.12=0

We add all the numbers together, and all the variables

-1u+20.48=0

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

-u=-20.48

u=-20.48/-1

u=20+0.48/1

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