Question

Решить пропорцией:15:2+|x|=3

Answer 1

3(2+х)= 15
6+3х=15
3х=15-6
3х=9
х= 9/3
х=3

Answer 2

15:2+|x|=3
2+|x|=15:3
|x|=5-2
|x|=3
x=3        x=-3