2.1=u/3+2.7

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Solution for 2.1=u/3+2.7 equation: 



2.1=u/3+2.7

We move all terms to the left:

2.1-(u/3+2.7)=0

We get rid of parentheses

-u/3-2.7+2.1=0

We multiply all the terms by the denominator


-u-(2.7)*3+(2.1)*3=0

We add all the numbers together, and all the variables

-1u-1.8=0

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

-u=1.8

u=1.8/-1

u=-1+0.8/1

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