3/1/2r=28

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Solution for 3/1/2r=28 equation: 


r in (-oo:+oo)

((3/1)/2)*r = 28 // - 28

((3/1)/2)*r-28 = 0

(3/2)*r-28 = 0

3/2*r-28 = 0 // + 28

3/2*r = 28 // : 3/2

r = 28/3/2

r = 56/3

r = 56/3

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