Question

|3х+1|+8=8; |9х+2|-27=-27

Answer 1

|3x+1|+8=8 |3x+1|=8-8 |3x+1|=0 3x+1=0 3x=0-1 3x=-1 x=-1:3 x=-1/3 x=o Ответ: x=0;x=-1/3