R/10=21/7

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Solution for R/10=21/7 equation: 


R in (-oo:+oo)

R/10 = 21/7 // - 21/7

R/10-(21/7) = 0

R/10-3 = 0

1/10*R-3 = 0 // + 3

1/10*R = 3 // : 1/10

R = 3/1/10

R = 30

R = 30

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