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Question 730701: Find the ordered triple of these equations.
x + y + z = 16
x - z = 12
y = -2
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Find the ordered triple of these equations.
x + y + z = 16
x - z = 12
y = -2
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If y = -2 you have 2 equations with 2 variables.
x + z = 18
x - z = 12
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Add and solve for "x":
2x = 30
x = 15
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Then z must be 18-15 = 3
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Triple: (15,-2,3)
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Cheers,
Stan H.
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