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OpenStudy (anonymous):
Solve the following system by hand. List final answers as ordered pairs. x - y + z = -6 4x - y + 3z = -11 -5x + 2y - z = 12
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OpenStudy (anonymous):
eliminate one variable
OpenStudy (anonymous):
let's eliminate z x-y+z=-6 z=-6-x+y
OpenStudy (anonymous):
x-y+z=-6 y=x+z+6
OpenStudy (anonymous):
4x-y+3z=-11 y=4x+3z+11
OpenStudy (anonymous):
-5x+2y-z=12 y=5x+z+12/2
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