solve using matricies x+2y+3z=7 -x+2y-z=1

solve using matriciesx+2y+3z=7 -x+2y-z=1 -x+y-2z=-2 x= y= z= ive tried everyway I can think of please help
1. 1 answer
2. asked by sarah
3. 456 views
How do you solve 3 variable equations using augmented matricieshttp://www.google.com/search?as_q=&num=10&hl=en&btnG=Google+Searc
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2. asked by Kurt Kincaid
3. 495 views
How do i solve inequalitites with three variables. I still can't figure it outplease help.x+y=1 y-z=-3 2x+3y+z=1 THE ANSWERS
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2. asked by Jasmine202005
3. 684 views
Does anyone know of a good site that would help me with multiplying matricies?
1. 2 answers
2. asked by Cassidy
3. 336 views
find the area of a triangle fgh f(1,4) g(-2,-3) h(3,-2) using matricies
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2. asked by robert
3. 383 views
what is the link between matricies and graph theory
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2. asked by kim
3. 307 views
If A is an n × n matrix, thenA = S + K, where S is symmetric and K is skew symmetric. Let A= [1 3 -2;4 2 2;5 1 2] Find the
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2. asked by sam
3. 747 views
I have a matrix withbrackets around [7 6 ][13] [14 -6] [8] and i know there are two separate brackets but on this thing you cant
1. 1 answer
2. asked by Mike
3. 752 views
The identities cos(a-b)=cos(a)cos(b)sin(a)sin(b) and sin(a-b)=sin(a)cos(b)-cos(a)sin(b) are occasionally useful. Justify them.
1. 2 answers
2. asked by Elle
3. 1,167 views
First: solve for k. Then, go back to the original equation c=k(d-3) and solve for c when d is ten.Second: Area=k*s^2 Put in the
1. 1 answer
2. asked by SraJMcGinn
3. 717 views