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x in (-oo:+oo)
(8*x)/3-(7/3) = 11 // - 11
(8*x)/3-(7/3)-11 = 0
(8*x)/3-7/3-11 = 0
8/3*x-40/3 = 0 // + 40/3
8/3*x = 40/3 // : 8/3
x = 40/3/8/3
x = 5
x = 5
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