4.2=7u-18.2

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Solution for 4.2=7u-18.2 equation: 



4.2=7u-18.2

We move all terms to the left:

4.2-(7u-18.2)=0

We get rid of parentheses

-7u+18.2+4.2=0

We add all the numbers together, and all the variables

-7u+22.4=0

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

-7u=-22.4

u=-22.4/-7

u=3+1/5

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