-3+3/4r=9

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Solution for -3+3/4r=9 equation: 


r in (-oo:+oo)

(3/4)*r-3 = 9 // - 9

(3/4)*r-9-3 = 0

3/4*r-12 = 0 // + 12

3/4*r = 12 // : 3/4

r = 12/3/4

r = 16

r = 16

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