45=(3000/12)*r

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Solution for 45=(3000/12)*r equation: 



45=(3000/12)*r

We move all terms to the left:

45-((3000/12)*r)=0



Domain of the equation: 12)*r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(250*r)+45=0

We get rid of parentheses

-250*r+45=0

We add all the numbers together, and all the variables

-250r+45=0

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

-250r=-45

r=-45/-250

r=9/50

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