Odpowiedź :
-(6a+4)/2-(9a-3)/3=[-3(6a+4)]/6 -[2(9a-3)]/6=[-3(6a+4)-2(9a-3)]/6=[-18a-12-18a+6]/6=[-36a-6]/6=[6(-6a-1)]/6=-6a-1
-(6a+4) (9a-3) -3(6a+4) 2(9a-3)
______ - _______= ___________ - ____________=
2 3 6 6
-(18a+12)-(18a-6) -18a-12-18a+6 -36a-6
=_________________ = _______________ = ________________
6 6 6
(-36a-6)/6=0 *6
-36a-6=0
-36a=6
a=-6/36=-1/6
______ - _______= ___________ - ____________=
2 3 6 6
-(18a+12)-(18a-6) -18a-12-18a+6 -36a-6
=_________________ = _______________ = ________________
6 6 6
(-36a-6)/6=0 *6
-36a-6=0
-36a=6
a=-6/36=-1/6