- #1

- 281

- 0

Please can I have some help with this demonstration:

Let

**a#0**( #= different)

Show that if

**a x b = a x c**and

**a.b=a.c**, then

**b=c**( Hint: Cross both sides of the first equation with a)

When I cross by a ( as the hint suggests) , I found 0=0 ??

thank you