16-r/7=31

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Solution for 16-r/7=31 equation: 


r in (-oo:+oo)

16-(r/7) = 31 // - 31

16-(r/7)-31 = 0

-1/7*r-15 = 0 // + 15

-1/7*r = 15 // : -1/7

r = 15/(-1/7)

r = -105

r = -105

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