(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-(45)=0

We add all the numbers together, and all the variables

(r+1.2)-37.5=0

We get rid of parentheses

r+1.2-37.5=0

We add all the numbers together, and all the variables

r-36.3=0

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

r=36.3

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