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

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


r in (-oo:+oo)

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

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

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

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

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

5-48*r-32 = 0

-48*r-27 = 0

(-48*r-27)/(4*5) = 0

(-48*r-27)/(4*5) = 0 // * 4*5

-48*r-27 = 0

-48*r-27 = 0 // + 27

-48*r = 27 // : -48

r = 27/(-48)

r = -9/16

r = -9/16

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