Question

8x-6-2=21+9x+x......

Answer 1

Ответ:

Пошаговое объяснение:

Answer 2

-14,5

$8x - 6 - 2 = 21 + 9x + x \\ 8x - 8 = 21 + 10x \\ 8x - 10x = 21 + 8 \\ - 2x = 29 \\ x = 29 \div ( - 2) \\ x = - 14.5$