Решите уравнения 7 класс 1) 2/5х=10

2) 9 – 0,2х=1

3) 4(3-х)-11=7(2х-5)

4) (7х+9)-(11х-7)=8

5) 5(х-4)=х+8

6) 0,9х-7,4=-0,4х+4,3

7) 9х-26=30-5х

8) 9-7(х+3)=5-6х
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