15+5/9r=-15

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Solution for 15+5/9r=-15 equation: 


r in (-oo:+oo)

(5/9)*r+15 = -15 // + 15

(5/9)*r+15+15 = 0

5/9*r+30 = 0 // - 30

5/9*r = -30 // : 5/9

r = -30/5/9

r = -54

r = -54

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