AppChamp AppChamp

01-11-2014
Mathematics

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

Respuesta :

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

01-11-2014

3x3=9 -2x2=-4 4-0=4

9+-4-4

ANS. = 1

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