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

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

User Denard
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2 Answers

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

9+-4-4

ANS. = 1

User Jibran Khan
by
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3x+2y-z=3\cdot3+2\cdot(-2)-4=9-4-4=1
User Chris Walton
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8.4k points
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