" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
A:3x-y
B: x-1
C: -3x-y
3x-y-[(x-1)-(-3x-y)]=
3x-y-4x-1-y=
-1x-2y-1
;)
przy czym A oznacza sumę algebraiczną:
3x-y
B: x-1
C: -3x-y
3x - y - (x - 1 + 3x + y) = 3x - y - x + 1 - 3x - y = 1 - 2y - x