Question

17x-1x+5x-19=170 как найти x

Answer 1

$17x-x+5x-19=170$

$17x-x+5x=170+19$

$21x=189$

$x=189:21$

$x=9$

Ответ: $x=9$

Проверка!
$17*9-9+5*9-19=170$
$170=170$

Answer 2

17х-1х+5х-19=170
17х-1х+5х=170+19
21х=189
х=9