Soal Asli PTS Ganjil Matematika Wajib Kelas 10 SMA, Nilai Mutlak

x = 2 - 4

x = -2

3. Nilai x yang memenuhi I2x-5I = 11

2x - 5 = 11

2x = 11 + 5

2x = 16

x = 8

-(2x-5) = 11

2x-5 = -11

2x = -11 + 5

2x = -6