Cramer's Rule Solving Systems of 3 Equations

Cramer's Rule Solving Systems of 3 Equations in this free math video tutorial by Mario's Math Tutoring.

0:30 Example 1 Using Cramer's Rule to Solve the System
x + y + z = 6, 2x - y + 3z = 4, 3x + 2y + z = 13
2:30 Easy Way to Take the Determinant of a 3 x 3 Matrix

Related Videos:

Using Cramer's Rule to Solve a System of 2 Equations with 2 Variables

Solving Systems of 3 Equations Using Elimination

How to Find the Determinant of a Matrix (2 x 2 & 3 x 3)

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[CartersDad]

Dude you have just plucked me out of a advanced algebra mental downward spiral. You are a saint.

[abelcastro]

Thank you for making this so easy to remember!

[musanono]

You are the best tutor I have come across online

[yohan.al]

thank you! your method is so much better than having to learn the rules

[Myafussell]

Thank you for making this!! It actually makes sense when you do it

[artbymhs]

Very short trick to solve matrices by crammer, s rule

[sammccullough]

Thanks so much, my teacher could never explain it this well

[ddjdj]

The way he calculated the determinant of the 3 by 3 matrix... how does it work? Is there a proof for it?

[sheilavillamil]

I really like this explanation. Thank you!

[miamilano]

First video I tried was way to long then I found this one and I instantly understood! Easy and short explanation. Got me through my hw and did it without references!

[hendrikduvenhage]

Thank you so much for making this much easier. Two questions that I have are, will that method of calculating the determinate hold for larger matrices and could I calculate the determinates of flat or tall matracies in the same way?

[ayushgehlot]

Hello sir, I am from India, like your teaching very much

[yushikhan]

You can understand us in very easily method ...Thanks

[izzydrawspeople]

How do you do 3 variables but only 2 equations?

[ndarwi]

What level of mathematics is this? Great vid, btw.

[bhumikpatel]

What he did in 5 mins. My prof took 2 hours.