5/2r+12=-18

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Solution for 5/2r+12=-18 equation: 


r in (-oo:+oo)

(5/2)*r+12 = -18 // + 18

(5/2)*r+12+18 = 0

5/2*r+30 = 0 // - 30

5/2*r = -30 // : 5/2

r = -30/5/2

r = -12

r = -12

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