Zredukuj wyrazy podobne:
a) 2a+(3a-7)=
b) x-(2x-3)=
c) 3x-(y-2x)=
d) -(3a+b)-4=
e) x-2-(2-x)=
f) -(2x-1)-(3x-1)=
a) 2a+(3a-7)= 2a + 3a - 7= 5a-7
b) x-(2x-3)=x-2x+3= -x+3
c) 3x-(y-2x)=3x -y+2x=5x-y
d) -(3a+b)-4=-3a-b-4
e) x-2-(2-x)=x-2-2+x= 2x-4
f) -(2x-1)-(3x-1)=-2x+1-3x+1=-5x+2
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a) 2a+(3a-7)= 2a + 3a - 7= 5a-7
b) x-(2x-3)=x-2x+3= -x+3
c) 3x-(y-2x)=3x -y+2x=5x-y
d) -(3a+b)-4=-3a-b-4
e) x-2-(2-x)=x-2-2+x= 2x-4
f) -(2x-1)-(3x-1)=-2x+1-3x+1=-5x+2