4.2u+19.85=1.2u-17.65

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Solution for 4.2u+19.85=1.2u-17.65 equation: 



4.2u+19.85=1.2u-17.65

We move all terms to the left:

4.2u+19.85-(1.2u-17.65)=0

We get rid of parentheses

4.2u-1.2u+17.65+19.85=0

We add all the numbers together, and all the variables

3u+37.5=0

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

3u=-37.5

u=-37.5/3

u=-12+1/2

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