SOLUTION: I keep getting fractions and decimals when my teacher said the answers were whole/real numbers. but the problem is:
2w-x+5y+z=-3
3w+2x+2y-6z=-32
w+3x+3y-z=-47
5w-2x-3y+3z=49
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Question 645151: I keep getting fractions and decimals when my teacher said the answers were whole/real numbers. but the problem is:
2w-x+5y+z=-3
3w+2x+2y-6z=-32
w+3x+3y-z=-47
5w-2x-3y+3z=49
find w,x,y,and z.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
2w-x+5y+z=-3
3w+2x+2y-6z=-32
w+3x+3y-z=-47
5w-2x-3y+3z=49
translates to the matrix
Now use row reduction to get
(Solution provided by the Linear Algebra Toolkit)
(Solution provided by the Linear Algebra Toolkit)
So the solutions are
, , ,
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