a fost răspuns

3x-9= 5x-1
-x(7-5)-5>/=2x-1

Răspuns :

Anghelusalexandra16ask

3x-9= 5x-1

3x-5x= -1+9

-2x= 8

x= 8:(-2)

x= -4

-x(7-5)-5 >/=2x-1

-2x-5>/= 2x-1

-2x-2x>/= -1+5

-4x>/= 4

x</= -1

Danaa15ask

3x - 5x = - 9 + 1

- 2x = - 10 / : ( - 2 )

x = 5

- 7x + 5x >/ 2x - 1

- 2x >/ 2x - 1

- 2x - 2x >/ - 1

- 4x >/ - 1 / : ( - 4 )

x \< 1 / 4 => x \< 0,25

x € ( - ♾ ; 0,25 ]

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