4х-7*2х-8=0
4х-14х-8=0
-10х-8=0
-10х=8
х=-0,8
Ответ: х= -0,8
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4х-7*2х-8=0
4х-14х-8=0
-10х-8=0
-10х=8
х=-0,8
Ответ: х= -0,8