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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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