Question

Tolong bantu dong kak

Answer 1

Verified answer

Kelas 10 Matematika
Bab Nilai Mutlak

1] | 1 - (x/2) | = 3/4

1 - (x/2) = 3/4
4/4 - 3/4 = x/2
x/2 = 1/4
x = 2 . 1/4
x = 1/2

1 - (x/2) = -3/4
4/4 + 3/4 = x/2
x/2 = 7/4
x = 2 . 7/4
x = 7/2

{ 1/2, 7/2 }

2] | x - 3 | >= 2

x - 3 >= 2
x >= 2 + 3
x >= 5

x - 3 <= -2
x <= -2 + 3
x <= 1

x <= 1 atau x >= 5