Question

Помогите пожалуйста быстрее

Answer 1

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Answer 2

$\dfrac{9y+2}{y-8} -\dfrac{y-7}{y-8}+\dfrac{2y+7}{8-y} = \dfrac{9y+2}{y-8} -\dfrac{y-7}{y-8}-\dfrac{2y+7}{y-8} = \\\\\\=\dfrac{9y+2-y+7-2y-7}{y-8} =\boxed{\dfrac{6y+2}{y-8} }$