5r+45/3r-18

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Solution for 5r+45/3r-18 equation: 


r in (-oo:+oo)

5*r+(45/3)*r-18 = 0

20*r-18 = 0 // + 18

20*r = 18 // : 20

r = 18/20

r = 9/10

r = 9/10

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