WEBVTT 00:00.160 --> 00:02.820 Here we will try to see a viable. 00:02.830 --> 00:04.630 So let's try to see one more. 00:04.620 --> 00:07.290 But one interesting read would do that. 00:07.350 --> 00:08.780 To use mathematics. 00:08.880 --> 00:11.930 So we will see both bibles in one show. 00:11.970 --> 00:17.280 EX blackwell explains why you needed to dig on lithic x variable would subtract the Y. 00:17.340 --> 00:19.800 So y equal X minus why. 00:19.860 --> 00:26.670 Then we want to take on leuver why we would have subtracting why because now inside the Y we have the 00:26.670 --> 00:31.810 X so we're Gen Y equal X minus why even this makes sense to you. 00:31.810 --> 00:35.810 I wrote down the comment in order to make it a little easier for you to understand. 00:35.820 --> 00:39.220 We will use an example with numbers in the first phase. 00:39.250 --> 00:42.290 X equal to plus 5 equal 7. 00:42.420 --> 00:45.680 Then why equal X minus Y. 00:45.810 --> 00:47.360 So equal to 2. 00:47.370 --> 00:50.100 This is the X so this is correct. 00:50.290 --> 00:54.140 Finally x equal explains why show equal fact. 00:54.210 --> 01:00.210 This is the Y so we are 100 percent correct Liz died of C there is out in. 01:00.720 --> 01:03.260 Now we will write the same exact commands. 01:03.410 --> 01:04.790 You see a lazy son. 01:04.800 --> 01:08.600 Then the mathematical equations from the analysis end the print. 01:17.720 --> 01:22.360 Sure as you can see here very sad are in gen correct.