Question

помогите задачей.........

Answer 1

5х=4.2/3+3.1/2
5х=4.4/6+3.3/6
5х=8.1/6
х=8.1/6:5
х=49/30
х=1.19/30

Answer 2

5х - 3 1.2 = 4 2.3
5х= 4 2.3 + 3 1.2
5х=8
х= 1 1.3