R/7=9

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Solution for R/7=9 equation: 


R in (-oo:+oo)

R/7 = 9 // - 9

R/7-9 = 0

1/7*R-9 = 0 // + 9

1/7*R = 9 // : 1/7

R = 9/1/7

R = 63

R = 63

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