no 8 dan 11 ya tolong bantu
Matematika
PermataIslami
Pertanyaan
no 8 dan 11 ya tolong bantu
1 Jawaban
-
1. Jawaban ichsanartas2016
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