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x in (-oo:+oo)
-((4/9)*(2*x-4)) = 48 // - 48
-((4/9)*(2*x-4))-48 = 0
(-4/9)*(2*x-4)-48 = 0
-4/9*(2*x-4)-48 = 0
-4/9*(2*x-4)-48 = 0
-8/9*x-416/9 = 0
-8/9*x-416/9 = 0
-8/9*x-416/9 = 0 // + 416/9
-8/9*x = 416/9 // : -8/9
x = 416/9/(-8/9)
x = -52
x = -52
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