Question

3) 10 - 2x = 12 + x;

Answer 1

Ответ:

-1.5

Объяснение:

$10 - 2x = 12 + x \\ - 2x - x = - 10 + 12 \\ - 3x = 2 \\ x = - \frac{3 }{2} \\ x = - 1.5$