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x in (-oo:+oo)
-126/7 = (182*x)/7 // - (182*x)/7
-((182*x)/7)-126/7 = 0
-26*x-126/7 = 0
-26*x-18 = 0 // + 18
-26*x = 18 // : -26
x = 18/(-26)
x = -9/13
x = -9/13
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