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Mathematics 22 Online
OpenStudy (anonymous):

-1(15.1-r=8.9)

OpenStudy (anonymous):

This one is similar to the last one. With the negative on the outside, just flip the signs of the entire equation to get: -15.1 + r = -8.9 Then add the 15.1 to -8.9. r = -8.9 (+ 15.1) r = 6.2

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