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Given the equation: `r - 1 = 3.9`

Determine if `r = 4.9` is a solution of the equation



Determine if `r = 1.3` is a solution of the equation



Determine if `r = -4.9` is a solution of the equation


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   x    (   ) π DNE
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< > or All Real Numbers DNE
log logn ln n  | | e 
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