1/2r+2(3/4r-1)=1/4+6

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Solution for 1/2r+2(3/4r-1)=1/4+6 equation: 


r in (-oo:+oo)

2*((3/4)*r-1)+(1/2)*r = 1/4+6 // - 1/4+6

2*((3/4)*r-1)+(1/2)*r-(1/4)-6 = 0

2*((3/4)*r-1)+(1/2)*r-1/4-6 = 0

2*(3/4*r-1)+r/2-1/4-6 = 0

(4*2^2*(3/4*r-1))/(2*4)+(4*r)/(2*4)+(-1*2)/(2*4)+(-6*2*4)/(2*4) = 0

4*2^2*(3/4*r-1)+4*r-1*2-6*2*4 = 0

16*r-48-16-2 = 0

16*r-48-18 = 0

16*r-66 = 0

(16*r-66)/(2*4) = 0

(16*r-66)/(2*4) = 0 // * 2*4

16*r-66 = 0

16*r-66 = 0 // + 66

16*r = 66 // : 16

r = 66/16

r = 33/8

r = 33/8

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