What is the value of $x + y + z$ when $6x + 5y - 2z = -4$ and $4x + 5y + 12z = 54$?
Question:
What is the value of $x + y + z$ when $6x + 5y - 2z = -4$ and $4x + 5y + 12z = 54$?
Answer:
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What is the value of $x + y + z$ when $6x + 5y - 2z = -4$ and $4x + 5y + 12z = 54$?
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