anonymous
  • anonymous
Choose the value of the x determinant (Dx) in the following system. 2x – 3y = 5 4x + 2y = 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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texaschic101
  • texaschic101
are you just looking for the value of x ?
anonymous
  • anonymous
yes
texaschic101
  • texaschic101
|2 -3| |4 2| 2*2 - 4*-3 = 4 - (-12) = 16 ?? Yu might need a second opinion on this....

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texaschic101
  • texaschic101
oops...typo...*you
jim_thompson5910
  • jim_thompson5910
texaschic101, you found the determinant D but what they want is Dx so you replace the first column with 5 7 then you compute the determinant
RadEn
  • RadEn
|dw:1371313283204:dw|
RadEn
  • RadEn
opss.. typo :) |dw:1371313542885:dw|
whpalmer4
  • whpalmer4
Isn't that technically a drawo? :-)
anonymous
  • anonymous
lol thank you
anonymous
  • anonymous
the answers 31 right ?
amistre64
  • amistre64
Dx D Dy 2x 5 –3y 4x 7 +2y Dx -(-21) 5 –3 7 +2 10 31 is fine

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