Question

3.5-2.3x+3.8=4.28 Помогите решить!! Срочно!!!

Answer 1

3.5Х - 2.3Х + 3.8 = 4.28
1.2Х + 3.8 = 4.28
1.2Х = 4.28 - 3.8
1.2Х = 0.48
Х = 0.48 : 1.2
Х =  0.4
Ответ: 0.4 

Answer 2

3.5х-2.3x+3.8=4.28;   1,2x=0,48;   x=0,4