Question

3. Докажите тождество.
(2x – 3) - 0,5 - (-2,4х +6,5) = 3,4х – 8

Answer 1

2х-3-0.5+2.4х-6.5=3.4х-8

4.4х-10=3.4х-8

Находим х.

х=2

8.8-10=6.8-8

-1.2=-1.2