2r/3+5=4r-65

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Solution for 2r/3+5=4r-65 equation: 


r in (-oo:+oo)

(2*r)/3+5 = 4*r-65 // - 4*r-65

(2*r)/3-(4*r)+5+65 = 0

(2*r)/3-4*r+5+65 = 0

70-10/3*r = 0 // - 70

-10/3*r = -70 // : -10/3

r = -70/(-10/3)

r = 21

r = 21

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