9/0.2=450/k

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Solution for 9/0.2=450/k equation: 



9/0.2=450/k

We move all terms to the left:

9/0.2-(450/k)=0



Domain of the equation: k)!=0

k!=0/1

k!=0

k∈R



We add all the numbers together, and all the variables

-(+450/k)+9/0.2=0

We add all the numbers together, and all the variables

-(+450/k)+45=0

We get rid of parentheses

-450/k+45=0

We multiply all the terms by the denominator


45*k-450=0

We add all the numbers together, and all the variables

45k-450=0

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

45k=450

k=450/45

k=10

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