If 3x + 4y – 2z + 9 = 17, 7x + 2y + 11z + 8 = 23 and 5x + 9y + 6z – 4 = 18, then what is the value of x + y + z – 34?
A) – 28 B) – 14 C) – 31 D) – 45
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hi buddy
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I THINK THE ANSWER IS
C. -31
Answered by
0
Answer:
Option C => -31
Step-by-step explanation:
Hope it helps :)-
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