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3x + 2 = 82

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Q: For x plus y plus z equals 9 2x-y-z equals -6 and x plus y-z equals 1 what is the echelon matrix?
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Factor completely and check mentally 4x2yz plus 2xy2z plus 2xyz?

4x2yz + 2xy2z + 2xyz = 2xyz(2x + y + 1) Not sure what check mentally entails.


What is the answer do this matrix in arbitrary form 3x-6y-z equals 6 and x plus y plus 3x equals 5?

It is a singular matrix.


What is the answer to this matrix in arbitrary form- 3x 6y-z equals 9 and x plus y plus 3z equals 4?

It is a singular matrix.


How do you solve 2xy plus 6 equals 4xyz for y?

2xy + 6 = 4xyz Divide through by 2: xy + 3 = 2xyz 3 = 2xyz - xy = y*(2xz - x) Therefore, y = 3/(2xz - x) provided that 2xz - x is not zero.


X plus y-z equals 2 -x-5y plus 2z equals 21 5x plus 4y-4z equals 12?

I used the matrix method to find the answer: x=4, y=-7, z=-5.


What is 4x to the second power plus 2xy to the second power z plus 2xyz?

It is not possible to give an answer. Limitations of the browser used by Answers.com means that we cannot see most symbols. There is no mathematical operator between "2xy to the power 2" and "z". Please resubmit your question spelling out the symbols as "plus", "minus", "equals" etc.


In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?

All the time


4x-7y equals 13 -2x plus 7y equals -3?

One way to solve this system of equations is by using matrices. Form an augmented matrix in which the first 2x2 matrix is the coefficient matrix and the 2x1 matrix on its right is the answer. Now apply Gaussian Elimination and back-substitution. Using this method gives x=5 and y=1.


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1 plus 1 equals 2 plus 2 equals 4 plus 4 equals 8 plus 8 equals 16 plus 16 equals 32 plus 32 equals 64 plus 64 equals 128 plus 128 equals 256 plus 256 equals 512 plus 512 equals 1024 plus 1024 equals?

2048


Enemy plus you equals friend Hate plus you equals love Tears plus you equals smile Confusion plus you equals solution Nothing plus you equals everything and Me plus You equals equals please reply?

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What is 4 plus 1 plus 4 plus 77685769844446473 plus 3 plus 8 plus 1 plus 23122312 plus 6 plus 1 equals 2 plus 9870998342523322424 plus 4?

4+1=5. Plus 4 equals 9. Plus 77685769844446473 equals 77685769844446482. Plus 3 equals 77685769844446485. Plus 8 equals 77685769844446493. Plus 1 equals 77685769844446494. Plus 9870998342523322424 equals 1064785604097768918. Plus 4 equals 1064785604097768922.