2(1/2)r+1+2r=9(1/10)

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Solution for 2(1/2)r+1+2r=9(1/10) equation: 


r in (-oo:+oo)

2*(1/2)*r+2*r+1 = 9*(1/10) // - 9*(1/10)

2*(1/2)*r+2*r-(9*(1/10))+1 = 0

2*(1/2)*r+2*r-9/10+1 = 0

3*r+1/10 = 0 // - 1/10

3*r = -1/10 // : 3

r = -1/10/3

r = -1/30

r = -1/30

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