SOLUTION: Please help me solve this question 3w - 2x + 4y - 5z = 13 2w - 5x + 7y - 3z = 9 4w + 6x - 3y + 6z = 15 10w - 5x + 6y - 4z = 14 find the value of (w,x,y,x)

Algebra ->  Matrices-and-determiminant -> SOLUTION: Please help me solve this question 3w - 2x + 4y - 5z = 13 2w - 5x + 7y - 3z = 9 4w + 6x - 3y + 6z = 15 10w - 5x + 6y - 4z = 14 find the value of (w,x,y,x)      Log On


   

Question 995384: Please help me solve this question
3w - 2x + 4y - 5z = 13
2w - 5x + 7y - 3z = 9
4w + 6x - 3y + 6z = 15
10w - 5x + 6y - 4z = 14
find the value of (w,x,y,x)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use Cramer's rule.

abs%28A%29=-1063
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abs%28A%5Bw%5D%29=-1089
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abs%28A%5Bx%5D%29=-4686
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abs%28A%5By%5D%29=-4101
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abs%28A%5Bz%5D%29=704
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w=abs%28A%5Bw%5D%29%2Fabs%28A%29=1089%2F1063
x=abs%28A%5Bx%5D%29%2Fabs%28A%29=4686%2F1063
y=abs%28A%5By%5D%29%2Fabs%28A%29=4101%2F1063
z=abs%28A%5Bz%5D%29%2Fabs%28A%29=-704%2F1063