75/120=r/8

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Solution for 75/120=r/8 equation: 


r in (-oo:+oo)

75/120 = r/8 // - r/8

75/120-(r/8) = 0

5/8-1/8*r = 0 // - 5/8

-1/8*r = -5/8 // : -1/8

r = -5/8/(-1/8)

r = 5

r = 5

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