-8.1=1.5+u/3

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Solution for -8.1=1.5+u/3 equation: 



-8.1=1.5+u/3

We move all terms to the left:

-8.1-(1.5+u/3)=0

We add all the numbers together, and all the variables

-(u/3+1.5)-8.1=0

We get rid of parentheses

-u/3-1.5-8.1=0

We multiply all the terms by the denominator


-u-(1.5)*3-(8.1)*3=0

We add all the numbers together, and all the variables

-1u-28.8=0

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

-u=28.8

u=28.8/-1

u=-28+0.8/1

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