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Problem 22

For the following exercises, solve each system by…

Problem 21

For the following exercises, solve each system by Gaussian elimination.
\begin{aligned} 2 x+3 y-4 z &=5 \\-3 x+2 y+z &=11 \\-x+5 y+3 z &=4 \end{aligned}


$x=-28, y=19, z=0$



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Video Transcript

we will try to eliminate the next year. So we were wondering the 1st 1 by tree and the 2nd 1 by two. And then we ended up. So we have three times. One plus two teams do Doesn't usually go joon zero on X will be eliminated. No. Why? Freedoms to nine night Plus with the far becomes a thing Why menaced Rome plus two semanas 10 that we go to fit in. Plus 22 could get 27. And now we will just in from the first inclusion. And now we would think the stone with times with the tree And now, Joe minus the three time street, we can eliminate the extra square. So we were again geo minus definite thing. So we Gundam minus trail. Why? One minus night minus eight isn't going to do, uh, 11 minus around equal to minus one. So from here we can eliminate both best one by doing the 1st 1 with hams with the eight and the second with him with 10 on. Then we were doing the subjection. So and we do so we should get Didn't him state? Then we minus a man as well be the last baiI plus the one country. So you didn't fall? Why? And does that could be eliminated on it, Could you? That the 27 times right and now in minus manners will be 10 maple. Just trio six some. Why? We're going to Drea six. Declined by Drew can too far. So you coming, Coach? You 1 53 divine by 112 That's a social window. Why? And now for, uh, present. And when you go to, we can use the 2nd 1 here. Manasquan less trail. Why remember matter stayed So you go two months. One trillion times 1 53 Everyone want to remember Magistrate. So we got Ah 11 to burn us. Okay. Furnace one wants you and then we're blessed with the travel attempts. 1 53 Then we do fine. I right. And do you right? By 112 Gandhi inside. You're going to far 31. Demand for two. Don't be far s and self funder itself. And now for the X, we can use the last question so expertly could unify. Why? Blessed Resent when afar and you want to go to five times One tree knew I met. 112 three times. Well, they're fun. Doing one even drew. 24 minus far. So we get an income tomb. Hey, the company, normally, that would be too far. Said 10 times 1 52 tree, but asked three times. Far the thing one. My nest? No, for our times. So you got a good one night to 724. So I guess, Yeah. Answerphone ex present.