Question

. 1) 9|x|-2|x|-8=5|x|;
2) 7|x|-2|x|=3|x|+12;
3) 2|x|+3|x|-18=|x|-7|x|+ 15;
4) 4|х|+5|х|-3=2|x|+11;​

Answer 1

Ответ:

1. x1= 4, x2= -4

2. x1= 6, x2= -6

3. x1= 3, x2= -3

4. x1= 2, x2= -2