N5 a) f (x) = 17 -5x+6=17 -5x=11 X = -2, 2 Ответ: x=-22.

a) $$f(x) = 17$$

$$ -5x + 6 = 17$$

$$ -5x = 17 - 6$$

$$ -5x = 11$$

$$ x = \frac{11}{-5}$$

$$ x = -2.2$$

Ответ: $$x = -2.2$$