Question

решите уравнение 3,5x-2.3x+3.8=4.28 

Answer 1

3.5х-2.3х+3.8=4.28

1.2*х+3.8=4.28

1.2*х=4.28-3.80

1.2*х=0.48

х=0.48/1.2

х=0.4

Ответ:0.4