Mathematics
10 Online
OpenStudy (anonymous):
y − 2z = −27
2x + 3y = −21
−x − 2y + z = 24
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OpenStudy (anonymous):
i need help please!!!
OpenStudy (anonymous):
Try to get a variable by itself
OpenStudy (anonymous):
that should help you a lot
OpenStudy (anonymous):
Find the complete solution of the linear system, or show that it is inconsistent.
OpenStudy (anonymous):
i tried to do that it kept on giving me a long answer which is incorrect
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OpenStudy (anonymous):
Then that means it is inconsistent
OpenStudy (anonymous):
i tried that but its still wrong
OpenStudy (anonymous):
show me what your doing
OpenStudy (anonymous):
and i will correct your mistakes
OpenStudy (anonymous):
here i will tell you that z=y+27/2
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OpenStudy (anonymous):
i basically just plugged it in the calculator
OpenStudy (anonymous):
try writing out your own work, calc might not be right
OpenStudy (anonymous):
y=1/3(-2x-21)
OpenStudy (anonymous):
after that plug in the equations i just gave to the right variables! i told you what y and z is
OpenStudy (anonymous):
i tried putting that in but it was still wrong
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OpenStudy (anonymous):
use an augmented matrix to go faster
OpenStudy (anonymous):
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