42+7/4r=-42

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Solution for 42+7/4r=-42 equation: 


r in (-oo:+oo)

(7/4)*r+42 = -42 // + 42

(7/4)*r+42+42 = 0

7/4*r+84 = 0 // - 84

7/4*r = -84 // : 7/4

r = -84/7/4

r = -48

r = -48

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