SOLUTION: Find the ordered triple of these equations. x + y + z = 16 x - z = 12 y = -2

Algebra.Com
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.
================

RELATED QUESTIONS

find the ordered triple of these eqautions. x+y+z=8, x-y=2,... (answered by Alan3354)
Find the ordered triple of these equations. x - y + z = -8 y = 4 x + y - z =... (answered by Leaf W.)
find the ordered triple of these equations x-2y+3z=-3 2x-3y-z=7... (answered by richwmiller)
How do I find the ordered triple of these equations? 2x - y + 3z = -9 x + 3y - z = 10 (answered by Alan3354)
ind the ordered triple of these equations. x - 2y + 3z = -3 2x - 3y - z = 7 3x + y - (answered by Cabdiqafaar)
Find an ordered triple (x,y,z) of real numbers satisfying x<= y<= z and the system of... (answered by ikleyn,Alan3354)
Solve the system of equations: x+y+z=1 3x-2y-z=5 x+3y+2z=3 (Enter your answer as an (answered by MathLover1)
Solve the system of equations: x+y+z=1 3x-2y-z=5 x+3y+2z=3 (Enter your answer as... (answered by MathLover1,Edwin McCravy)
Use Gaussian elimination with backward substitution to solve the system of linear... (answered by venugopalramana)