Question

1)I5x+1l=4 2)l10x-5l=3

Answer 1

1)

|5х+1|=4

5х+1=4

5х+1=-4

х=3/5

х=-1

х1=-1

х2=3/5

2)

l10x-5l=3

10х-5=3

10х-5=-3

х=4/5

х=1/5

Х1=1/5, х2=4/5.