8r/9=4r-140

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Solution for 8r/9=4r-140 equation: 


r in (-oo:+oo)

(8*r)/9 = 4*r-140 // - 4*r-140

(8*r)/9-(4*r)+140 = 0

(8*r)/9-4*r+140 = 0

140-28/9*r = 0 // - 140

-28/9*r = -140 // : -28/9

r = -140/(-28/9)

r = 45

r = 45

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