Question

Berikan caranya 2 |4 - x|-7 = 15

Answer 1

Verified answer

Materi : Persamaan Nilai Mutlak

Pembahasan :
2|4 - x| - 7 = 15
2|4 - x| = 22
|4 - x| = 11

4 - x = 11 atau 4 - x = -11
x = 4 - 11 atau x = 4 + 11
x = -7 atau x = 15

Hp : {-7 , 15}