(2.08 - x)*2.8=5.152
(2.08 - х)* 2.8 = 5.152 2.08 - х = 5.152 : 2.8 2.08 - х = 1.84 х = 2.08 - 1.84 х = 0.24 Ответ: 0.24
Дякую
5.824-2.8х=5.152 19.976=2.8х х=3.92