1/5y=-21

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Solution for 1/5y=-21 equation: 



1/5y=-21

We move all terms to the left:

1/5y-(-21)=0



Domain of the equation: 5y!=0

y!=0/5

y!=0

y∈R



We add all the numbers together, and all the variables

1/5y+21=0

We multiply all the terms by the denominator


21*5y+1=0

Wy multiply elements

105y+1=0

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

105y=-1

y=-1/105

y=-1/105

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