00:01
Here i have the equation, 5 divided by 7 over a minus 3 divided by 7 over a equals.
00:17
So here we have two terms that have a common denominator.
00:21
So i can combine those terms, and i'll end up with 5 minus 3 over 7 minus a equals 6.
00:29
Okay.
00:31
Yeah, we don't know what a is, but these are still a common denominator.
00:34
7 over a is still the same thing.
00:37
Okay, so 5 minus 3 gives me 2.
00:39
So i have 2 divided by 7 over a equals 6.
00:42
And now i'm going to deal with this here.
00:45
So 2 divided by 7 minus a, i'm going to rewrite as 2 divided by 7 over a.
00:55
And now when i have a fraction like that that i'm dividing by, i could instead multiply by the reciprocal...