Question

a) 5/x-7|=115

b) |6x - 8|+9= -14
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Answer 1

Ответ:

а) 5х+35=115

5х=115-35

5х=80

х= 80:5

х=16

б) 54х+72=-14

54х= 72-14

54х= 58

х= 58/54

х=29/27

х= 1.07