-20=-1/4x

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Solution for -20=-1/4x equation: 



-20=-1/4x

We move all terms to the left:

-20-(-1/4x)=0



Domain of the equation: 4x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

1/4x-20=0

We multiply all the terms by the denominator


-20*4x+1=0

Wy multiply elements

-80x+1=0

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

-80x=-1

x=-1/-80

x=1/80

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