SOLUTION: Find the ordered triple of these equations.
x + y + z = 16
x - z = 12
y = -2
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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
-----
If y = -2 you have 2 equations with 2 variables.
x + z = 18
x - z = 12
----
Add and solve for "x":
2x = 30
x = 15
----
Then z must be 18-15 = 3
=================================
Triple: (15,-2,3)
============================
Cheers,
Stan H.
================
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