Question

Va rogg urgenttt imi trebuie ​

Answer 1

Răspuns:

a) x-6= 3 => x=9

   x-6= -3=> x= 3

  S= {3,9}

b) 2x-4 = 8 => 2x = 12 => x= 6

   2x-4 = -8 => 2x= -4 => x= -2

  S={-2,6}

c) 5x+15=  30=> 5x= 15 => x= 3

   5x+15= -30 => 5x= -45=> x= -9

   S={-9,3}

Answer 2

Răspuns:

a) |x-6|=3

x-6=3

x-6=-3

x=9

x-3=-3

x=9

x=3

x1=3

x2=9

b)|2x-4|=8

2x-4=8

2x-4=-8

x=6

2x-4=-8

x=6

x=-2

x1=-2

x2=6

c)|5x+15|-32=-2

|5x+ 15|=-2 +32

|5x+15|=30

5x+ 15= 30

5x+15=-30

x=3

5x+15=-30

x=3

x=-9

x1=-9

x2=3

Uite rezolvarea sper sa ți fie defolos tema!!