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OpenStudy (anonymous):
- 3x+2y+2z= - 5 x=3 2x–y–3z=16
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OpenStudy (bibby):
You have to use system of equations. What's 2x-y-3z=16 minus x=3 minus 3x+2y+2z= ?
OpenStudy (anonymous):
7?
OpenStudy (bibby):
Yes!
OpenStudy (anonymous):
thats the answer
OpenStudy (anonymous):
yay!!
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OpenStudy (alexandervonhumboldt2):
yeah 7
OpenStudy (anonymous):
:)
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