r+1/2r=1650

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Solution for r+1/2r=1650 equation: 


r in (-oo:+oo)

r+(1/2)*r = 1650 // - 1650

r+(1/2)*r-1650 = 0

3/2*r-1650 = 0 // + 1650

3/2*r = 1650 // : 3/2

r = 1650/3/2

r = 1100

r = 1100

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