September 2018 2 20 Report

Zad 1. Przeprowadź redukcje wyrazów podobnych:

a) -4a - 5b - 7 - 2a - 3b + 3=
b) 3x +5y - 4x + 6y - 7x - 9y=
c) -5x + 2y - 4x + 5y + 6x - 3y=
d) -2x + 3y + 3 - 2y - 3x -4 + y - 4x + 2=
e) x - 2y - 4 -2x -5 + y - 3 + 2x - 6y=

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