(r=1.2)+7.5=45

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Solution for (r=1.2)+7.5=45 equation: 



(r=1.2)+7.5=45

We move all terms to the left:

(r-(1.2)+7.5)=0



We calculate terms in parentheses: +(r-(1.2)+7.5), so:

r-(1.2)+7.5

determiningTheFunctionDomain
r+7.5-(1.2)

We add all the numbers together, and all the variables

r+6.3

Back to the equation:

+(r+6.3)



We get rid of parentheses

r+6.3=0

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

r=-6.3

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