Question

14. Решите уравнение:
1) |x| + 4 = 9;
2) y|-4=7;
3) x + 2 = 0;
4) |x-5| = 0
5) |2x - 3|= 0;
6) |5x – 8 = 0 .​

Answer 1

1) х=5
2)х=11
3)х=-2
4)х=5
5)х=3/2
6)х=8/5

Answer 2

Ответ:

|x|+4=9

|x|=9-5

|x|=4

х1=-4

х2=4.