Question

x-4
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x-6 равно 2

Answer 1

при х-6≠0    ⇒    х≠6

$frac{x-4}{x-6} =2 \ \ frac{x-4}{x-6} = frac{2(x-6)}{x-6} \ \ x-4=2x-12 \ -x=-8 \ x=8$