21/z=6.5

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Solution for 21/z=6.5 equation: 



21/z=6.5

We move all terms to the left:

21/z-(6.5)=0



Domain of the equation: z!=0

z∈R



We add all the numbers together, and all the variables

21/z-6.5=0

We multiply all the terms by the denominator


-(6.5)*z+21=0

We multiply parentheses

-6.5z+21=0

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

-6.5z=-21

z=-21/-6.5

z=3+1/4.3333333333333

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