2(7 + 9x) + 6x = 2

14 + 18x + 6x = 2

14 + 24x = 2

24x = 2 - 14

x = - 1/2

Пошаговое объяснение:

2(7+9х)+6х=2

14+18х+6х=2

14+24х=2

24х=2-14

24х=-12

х=-12-24

х=-12

:3