Question

Solve the following Ix-1I + I x-2I.

Answer 1

|X| refers to the absolute value
that is number with + sign

|x-1|+|x-2|
=x+1+x+2=2x+3

hope it helps you

Answer 2

lx-1l+lx-2l
=x+1+x+2
=2x+3