7200=4500(1+(6)r)

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Solution for 7200=4500(1+(6)r) equation:



7200=4500(1+(6)r)
We move all terms to the left:
7200-(4500(1+(6)r))=0
We add all the numbers together, and all the variables
-(4500(6r+1))+7200=0
We calculate terms in parentheses: -(4500(6r+1)), so:
4500(6r+1)
We multiply parentheses
27000r+4500
Back to the equation:
-(27000r+4500)
We get rid of parentheses
-27000r-4500+7200=0
We add all the numbers together, and all the variables
-27000r+2700=0
We move all terms containing r to the left, all other terms to the right
-27000r=-2700
r=-2700/-27000
r=1/10

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