Question

3.5 х + 2.2 х = 4.36 уравнение

Answer 1

3.5x+2.2 x=4,36
5,7x=4,36
x=5,7/4,36
x=1,3

Answer 2

3.5 х + 2.2 х = 4.56

Answer 3

тогда наверное 4,36/5.7=0.8

Answer 4

5,7х=4,56
х=4,56:5,7
х=0,8