10.5=42/y

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Solution for 10.5=42/y equation: 



10.5=42/y

We move all terms to the left:

10.5-(42/y)=0



Domain of the equation: y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(+42/y)+10.5=0

We get rid of parentheses

-42/y+10.5=0

We multiply all the terms by the denominator


(10.5)*y-42=0

We multiply parentheses

10.5y-42=0

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

10.5y=42

y=42/10.5

y=4

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