-21/5x=3

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Solution for -21/5x=3 equation: 



-21/5x=3

We move all terms to the left:

-21/5x-(3)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We multiply all the terms by the denominator


-3*5x-21=0

Wy multiply elements

-15x-21=0

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

-15x=21

x=21/-15

x=-1+2/5

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