42=2/7*u

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Solution for 42=2/7*u equation: 



42=2/7u

We move all terms to the left:

42-(2/7u)=0



Domain of the equation: 7u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+2/7u)+42=0

We get rid of parentheses

-2/7u+42=0

We multiply all the terms by the denominator


42*7u-2=0

Wy multiply elements

294u-2=0

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

294u=2

u=2/294

u=1/147

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