18.5=9/z+15

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Solution for 18.5=9/z+15 equation: 



18.5=9/z+15

We move all terms to the left:

18.5-(9/z+15)=0



Domain of the equation: z+15)!=0

z∈R



We get rid of parentheses

-9/z-15+18.5=0

We multiply all the terms by the denominator


-15*z+(18.5)*z-9=0

We add all the numbers together, and all the variables

-15z+(18.5)*z-9=0

We multiply parentheses

-15z+18.5z-9=0

We add all the numbers together, and all the variables

3.5z-9=0

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

3.5z=9

z=9/3.5

z=2+2/3.5

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