AppChamp AppChamp
  • 01-11-2014
  • Mathematics
contestada

If x=3 and y=-2 and z=4, what is the value of 3x + 2y - z?

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konrad509
konrad509 konrad509
  • 01-11-2014
[tex]3x+2y-z=3\cdot3+2\cdot(-2)-4=9-4-4=1[/tex]
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samanthacoggin
samanthacoggin samanthacoggin
  • 01-11-2014


3x3=9     -2x2=-4     4-0=4

9+-4-4

ANS. = 1

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