Срочно решите уровнение плииз

4х=0.22+0.26
4х=0.48
х=0.48:4
х=0.12

5х=8.17+2.48
5х=10.65
х=10.65:5
х=2.13

6х=3.9*8
6х=31.2
х=31.2:6
х=5.2

х+2х=21.42
3х=21.42
х=21.42:3
х=7.14

2х+5х=42.7
7х=42.7
х=42.7:7
х=6.1

12х-3х=41.4
9х=41.4
х=41.4:9
х=4.6

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