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x in (-oo:+oo)
(x+2)/7 = 14 // - 14
(x+2)/7-14 = 0
(x+2)/7+(-14*7)/7 = 0
x-14*7+2 = 0
x-96 = 0
(x-96)/7 = 0
(x-96)/7 = 0 // * 7
x-96 = 0
x-96 = 0 // + 96
x = 96
x = 96
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