4.5=2u-21.1

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Solution for 4.5=2u-21.1 equation: 



4.5=2u-21.1

We move all terms to the left:

4.5-(2u-21.1)=0

We get rid of parentheses

-2u+21.1+4.5=0

We add all the numbers together, and all the variables

-2u+25.6=0

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

-2u=-25.6

u=-25.6/-2

u=12+1/1.25

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