20=4/7y

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Solution for 20=4/7y equation: 



20=4/7y

We move all terms to the left:

20-(4/7y)=0



Domain of the equation: 7y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(+4/7y)+20=0

We get rid of parentheses

-4/7y+20=0

We multiply all the terms by the denominator


20*7y-4=0

Wy multiply elements

140y-4=0

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

140y=4

y=4/140

y=1/35

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