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Please I need step by step solution. According to the given system which one is equal to x + y + z ? x-y-3z=1 2x+y+2z=3 -x+2y+3z=4 A) 8 B) 4 C) 2 D) 1
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Please I need step by step solution.

According to the given system which one is equal to x + y + z ?
x-y-3z=1
2x+y+2z=3
-x+2y+3z=4
A) 8 B) 4 C) 2 D) 1

User Vsevolod Poletaev
by
4.6k points

1 Answer

13 votes

Answer: C

Explanation:

User Eric Rowell
by
5.3k points
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