Question

Помогите срочно!!!!!!!!!!!

Answer 1

1) 5х-1=0
5х=1
х=1:5
х=0.2

2)0.8у-5.6=0
0.8у=5.6
у=5.6:0.8
у=7

3)5х=3+1/8
5х=3+0.125
5х=3.125
х=3.125:5
х=0.625

4)4х=5.4+1 4/5
4х=5.4+1.8
4х=7.2
х=7.2:4
х=1.8

5)2х=10.6-7 3/5
2х=10.6-7.6
2х=3
х=3:2
х=1.5

6) 3 1/4х=23-10
3.25х=13
х=13:3.25
х=4