1/2r-3=3(4-3/5r)

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Solution for 1/2r-3=3(4-3/5r) equation: 


r in (-oo:+oo)

(1/2)*r-3 = 3*(4-((3/5)*r)) // - 3*(4-((3/5)*r))

(1/2)*r-(3*(4-((3/5)*r)))-3 = 0

(1/2)*r-3*((-3/5)*r+4)-3 = 0

r/2-3*(4-3/5*r)-3 = 0

(-3*2*(4-3/5*r))/2+r/2+(-3*2)/2 = 0

r-3*2*(4-3/5*r)-3*2 = 0

23/5*r-24-6 = 0

23/5*r-30 = 0

(23/5*r-30)/2 = 0

(23/5*r-30)/2 = 0 // * 2

23/5*r-30 = 0

23/5*r-30 = 0 // + 30

23/5*r = 30 // : 23/5

r = 30/23/5

r = 150/23

r = 150/23

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