Автор - accident27

Очееееень сроооочноооо

Ответ

Автор - Mrdenk

а) -6,5x - 5x + 6x = 1

-5,5x = 1

x = 1 : (-5,5)

x = 1 : (-5 1/2)

x = 1 : (-11/2)

x = 1 × (-2/11)

x = -2/11

Ответ: x = -2/11

б) -6,5x - 5x + 6,52 = 1,63

-11,5x = 1,63 - 6,52

x = -4,89 : (-11,5)

x = 4 89/100 : 11 1/2

x = 489/100 : 23/2

x = 489/100 × 2/23

x = 489/1150

Ответ: x = 489/1150

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