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OpenStudy (anonymous):
solve the system of equations x+y+z=11 y+z=10 z=6
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OpenStudy (anonymous):
You already have your z. I'd start by substituting that into the 2nd equation.
OpenStudy (anonymous):
GOT IT!!!
OpenStudy (anonymous):
yup you have a z plug it into all of the other z's and use substitution method
OpenStudy (anonymous):
NICE! =D
OpenStudy (anonymous):
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