Ответ:
6x - 5 < 13
28 + 4x > 20
__________
6х < 13+5
4х > 20-28
6x < 18
4x > - 8
х1 = 18/6 = х< 3
х2 = -8/4 = х> -2
В: ( - 2 ; 3 )
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Ответ:
6x - 5 < 13
28 + 4x > 20
__________
6х < 13+5
4х > 20-28
__________
6x < 18
4x > - 8
__________
х1 = 18/6 = х< 3
х2 = -8/4 = х> -2
В: ( - 2 ; 3 )