5r-1/(7)+3=11r-4/(20)

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Solution for 5r-1/(7)+3=11r-4/(20) equation: 


r in (-oo:+oo)

5*r-(1/7)+3 = 11*r-(4/20) // - 11*r-(4/20)

5*r-(11*r)-(1/7)+4/20+3 = 0

5*r-11*r-1/7+4/20+3 = 0

107/35-6*r = 0 // - 107/35

-6*r = -107/35 // : -6

r = -107/35/(-6)

r = 107/210

r = 107/210

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