1.zredukuj wyrazy podobne:
a) 3a+2+11a+6
b) 5x-3y+x+2y
c) 3x+4y-6x-7y+12x
2. zapisz wyrazenia, nie uzywajac nawiasow. zredukuj wyrazy podobne.
a) x+(3x-y+5)
b) -x+(2x-3y-1)
c) (2a-3b)+(4a-5b)
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a) 3a+2+11a+6=14a+8
b) 5x-3y+x+2y=6x-y
c) 3x+4y-6x-7y+12x=9x-3y
2.
a) x+(3x-y+5)=x+3x-y+5=4x-y+5
b) -x+(2x-3y-1)=-x+2x-3y-1=x-3y-1
c) (2a-3b)+(4a-5b)=2a-3b+4a-5b=6a-8b
a)
3a+2+11a+6=14a+8
b)
5x-3y+x+2y=6x-y
c)
3x+4y-6x-7y+12x=9x-3y
a)
x+(3x-y+5)=x+3x-y+5=4x-y+5
b)
-x+(2x-3y-1)=-x+2x+3y-1=x+3y-1
c)
(2a-3b)+(4a-5b)=2a-3b+4a-5b=6a-8b