20=-5/7y

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Solution for 20=-5/7y equation: 



20=-5/7y

We move all terms to the left:

20-(-5/7y)=0



Domain of the equation: 7y)!=0

y!=0/1

y!=0

y∈R



We get rid of parentheses

5/7y+20=0

We multiply all the terms by the denominator


20*7y+5=0

Wy multiply elements

140y+5=0

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

140y=-5

y=-5/140

y=-1/28

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