Question

Уравнение ( 4х-2.8 )*2.5=0.75

Answer 1

(4x-2,8)*2,5=0,75
10x-7=0,75
10x=0,75+7
10x=7,75
x=0,775.

Answer 2

(4х-2.8)=0.75:2.5
(4х-2.8)=0.3
4х-2.8=0.3
4х=0.3+2.8
4х=3.1
х=0.775
надеюсь, верно