ПОМОГИТЕ пожайлуста!!!Дам 15 балов.
1) 2(6х+8)-14=18-4х
2) -4(5-2х)+3(х-4)=6(2-х)-5х
3) 0,4х-6=0,6х-9
4) |3х+8|=0
5) Х+3 = 4
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