Zredukuj wyrazy podobne:
1. 2a+(3a-7)=
2. x-(2x-3)=
3. 3x-(y-zx)=
4. -(3a+6)-4=
1. 2a+(3a-7)=2a+3a-7=5a-7
2. x-(2x-3)=x-2x+3=-x+3
3. 3x-(y-zx)=3x-y+zx
4. -(3a+6)-4=-3a-6-4=-3a-10
licze na naj ;d
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1. 2a+(3a-7)=2a+3a-7=5a-7
2. x-(2x-3)=x-2x+3=-x+3
3. 3x-(y-zx)=3x-y+zx
4. -(3a+6)-4=-3a-6-4=-3a-10
licze na naj ;d