28/75=r/42

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Solution for 28/75=r/42 equation:


r in (-oo:+oo)

28/75 = r/42 // - r/42

28/75-(r/42) = 0

28/75-1/42*r = 0 // - 28/75

-1/42*r = -28/75 // : -1/42

r = -28/75/(-1/42)

r = 392/25

r = 392/25

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