1) 10 - 2 * (х - 4) = 1 + 3х
10 - 2х + 8 = 1 + 3х
- 2х - 3х = 1 - 10 - 8
- 5х = - 17
х = - 17 : (- 5)
х = 17/5
х = 3,4
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2) 7 - 3 * (2 - х) = 5х - 2
7 - 6 + 3х = 5х - 2
3х - 5х = - 2 - 7 + 6
- 2х = - 3
х = - 3 : (- 2)
х = 1,5
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