Предмет: Алгебра, автор: ruhadzee

a) 3x+5x-2=0
б) x-2x-1=0
в) 4x-12x+9=0

Ответы

Автор ответа: papagenius
1

Ответ:

Объяснение:

a) 3x+5x-2 = 0

   8x = 2

   x = 2:8

   x = 0.25

б) x-2x-1 = 0

   -x = 1

    x = -1

в) 4x-12x+9 = 0

   -8x = -9

    x = -9:(-8)

    x = 1 1/8 = 1.125

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