упростите выражение :5x-(4x-(3x-(2x-(x - 1))))

Question

упростите выражение :5x-(4x-(3x-(2x-(x - 1))))

Answer 1

5х-4х-(3х-2х-(х-1))=х-3х+2х+х+1=1-х

Answer 2

5х-(4х-(3х-(2х-(х-1))))=5x-4x+(3х-(2х-(х-1)))=5x-4x+3х-(2х-(х-1))=5x-4x+3х-2х+(х-1)=5x-4x+3х-2х+х-1=3x-1