4-(z+5)=-z-15*(4y-2)=20y-105*(4y-2)=20y-10(4x+6):2=2x+3(3a-7b+2)=3a-7b+2-(-2xy+1)=2xy-1
4-(z+5)=4-z+5=9-z
5*(4y-2)=20y-20
(4x+6):2=2x+3
(3a-7b+2)=(Tego nie wiem :/)
-(-2xy+1)=2xy-1 (tego nie jestem w 100% pewien
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4-(z+5)=-z-1
5*(4y-2)=20y-10
5*(4y-2)=20y-10
(4x+6):2=2x+3
(3a-7b+2)=3a-7b+2
-(-2xy+1)=2xy-1
4-(z+5)=4-z+5=9-z
5*(4y-2)=20y-20
5*(4y-2)=20y-20
(4x+6):2=2x+3
(3a-7b+2)=(Tego nie wiem :/)
-(-2xy+1)=2xy-1 (tego nie jestem w 100% pewien