Mathematics, 26.09.2019 14:00 Hudman57
Ineed solving this 4 by 4 does anybody know how to do? it any would be amazing. i know that in order to solve i need to create a 3 by 3 out of the 4 by 4 and make a 2 by 2 out of the 3 by 3 but everytime i go to solve i can never get the right answer i also know the the answers are whole numbers no decimals
w+2x+2y+z=-2
w+3x-2y-z=-6
-2w-x+3y+3z=6
w+4x+y+2z=-14
Answers: 1
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Ineed solving this 4 by 4 does anybody know how to do? it any would be amazing. i know that in or...
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