Matematika

Pertanyaan

no 8 dan 11 ya tolong bantu
no 8 dan 11 ya tolong bantu

1 Jawaban

  • 8.|2(x-6)+2| = 4
       |2x-12+2| = 4
       |2x-10| = 4
       2x-10 = 4
       2x-10 = -4
       x = 7
       x = 3
       x1=3, x2=7

    11. |2x+5| > 1
          2x+5 > 1
          2x > 1-5
          2x > -4
          x > -4/2
          x > -2