Nate11282001
Nate11282001
24-07-2017
Mathematics
contestada
find 3x-y-3z if x=-2, y=1, z=-2
Respuesta :
DragunicGaming
DragunicGaming
24-07-2017
Substitute everything in first
3(-2)-1-3(-2)
Then simplify
-6-1+6 = -1
The answer is -1
Answer Link
nickktait
nickktait
24-07-2017
3 x (-2) - 1 - 3 x (-2)
(
Simplify by: Multiplying a positive and a negitive equals a negative:
(+) x (-) = (+))
Multiplying two negitives equals a positive:
(-) x (-) = (+) )
-3 x 2 - 1 + 3 x 2
(Eliminate the opposites)
Answer: -1
Answer Link
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