100-r=19/7

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Solution for 100-r=19/7 equation: 


r in (-oo:+oo)

100-r = 19/7 // - 19/7

100-r-(19/7) = 0

100-r-19/7 = 0

681/7-r = 0 // - 681/7

-r = -681/7 // * -1

r = 681/7

r = 681/7

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