Question

Найдите значение х, если:
1) -x = -12

2)-(-х)=1,6.

Answer 1

$1) \: - x = - 12 \\ - x \times ( - 1) = - 12 \times ( - 1) \\ x = 12$

$2) \: - ( - x) = 1.6 \\ x = 1.6$