Question

(х-4)²-6=(2+х)²

$\frac{3}{x + 7} = \frac{2}{9 - x}$
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Answer 1

Объяснение:

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Answer 2

Ответ:

(х-4)²-6=(2+х)²

x²-8x+16-6=4+4x+x²

-8x+16-6=4+4x

-8x+10=4+4x

-8x-4x=4-10

-12x=-6

x=1/2

x=0,5