Odpowiedź:
a)x+1 b) -y c) -3m+1 d) k+3
a. x+y-2x-y+1= -x+1
b. -3x+ 3x -y= -y
c. -3m+1
d. 2x-2x+k+3= k+3
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Odpowiedź:
a)x+1 b) -y c) -3m+1 d) k+3
a. x+y-2x-y+1= -x+1
b. -3x+ 3x -y= -y
c. -3m+1
d. 2x-2x+k+3= k+3