даю 20 баллов за решение уровнений
1) -2х + 16 = 5х + 30;
2) 0,18х – 3,54 = 0,19х – 2,89;
4) ) – 1 – ( 3 – 9х ) = 5;
5) 8х – (7х – 142 ) = 51;
6) 6 (х + 0,5 ) – 3 = 9;
7) 4 ( 2 – 4х ) + 6х = 3;
8) 2 ( 2,5х – 1 ) = - (1,8 – 4х ).

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