PE
2)
(78 x + 3 > 79 x + 9,5,
(3,1x - 0,2 <2,5 x - 0,8;
3 x - 8 > x - 1,
x + 9 <2x;
1)
x - 7
S
*
x + 5,
3
4)
-2x,
+ X >
6
6
3
3
- + 3 x < -- x.
7
7
3)
4
1
- x + 1 >-X x - 3;
9
+​

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