-1.2=3u-4.2

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Solution for -1.2=3u-4.2 equation: 



-1.2=3u-4.2

We move all terms to the left:

-1.2-(3u-4.2)=0

We get rid of parentheses

-3u+4.2-1.2=0

We add all the numbers together, and all the variables

-3u+3=0

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

-3u=-3

u=-3/-3

u=1

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