3^2+8r=16

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Solution for 3^2+8r=16 equation: 



3^2+8r=16

We move all terms to the left:

3^2+8r-(16)=0

determiningTheFunctionDomain
8r-16+3^2=0

We add all the numbers together, and all the variables

8r-7=0

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

8r=7

r=7/8

r=7/8

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