5r-10/7=7r-10/8

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Solution for 5r-10/7=7r-10/8 equation: 


r in (-oo:+oo)

5*r-(10/7) = 7*r-(10/8) // - 7*r-(10/8)

5*r-(7*r)-(10/7)+10/8 = 0

5*r-7*r-10/7+10/8 = 0

-2*r-5/28 = 0 // + 5/28

-2*r = 5/28 // : -2

r = 5/28/(-2)

r = -5/56

r = -5/56

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