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16-01-2019
Mathematics

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PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

PLEASE HELP ASAP 25 PTS BRAINLIEST TO RIGHTBEST ANSWER class=

Respuesta :

16-01-2019

Answer:

(0 , 2 , 6)

Step-by-step explanation:

-x + 2y + z = 10....(1)

z = 6....(2)

3x - 2y + 2z = 8....(3)

first we know z = 6

(1) + (2) + (3)

we got 2x + 4z = 24 , because z = 6 so we solve x = 0

from (1)

we got-0 + 2y + 6 = 10

solve y = 2

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