7/3u=42

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Solution for 7/3u=42 equation: 



7/3u=42

We move all terms to the left:

7/3u-(42)=0



Domain of the equation: 3u!=0

u!=0/3

u!=0

u∈R



We multiply all the terms by the denominator


-42*3u+7=0

Wy multiply elements

-126u+7=0

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

-126u=-7

u=-7/-126

u=1/18

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