(4r+9)/3=3r

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Solution for (4r+9)/3=3r equation: 


r in (-oo:+oo)

(4*r+9)/3 = 3*r // - 3*r

(4*r+9)/3-(3*r) = 0

(4*r+9)/3-3*r = 0

(4*r+9)/3+(-3*3*r)/3 = 0

4*r-3*3*r+9 = 0

9-5*r = 0

(9-5*r)/3 = 0

(9-5*r)/3 = 0 // * 3

9-5*r = 0

9-5*r = 0 // - 9

-5*r = -9 // : -5

r = -9/(-5)

r = 9/5

r = 9/5

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