|3х+1 4/15|+2/3 при х =-1,2 8/9+|1/12х-7/9| при х =-4

Question

|3х+1 4/15|+2/3 при х =-1,2 8/9+|1/12х-7/9| при х =-4

Answer 1

14/15-18/5+2/3=-2
8/9-1/48-7/9=1/9-1/48=13/144