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x in (-oo:+oo)
x/27 = 8/36 // - 8/36
x/27-(8/36) = 0
x/27-2/9 = 0
1/27*x-2/9 = 0 // + 2/9
1/27*x = 2/9 // : 1/27
x = 2/9/1/27
x = 6
x = 6
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