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OpenStudy (anonymous):
Simultaneous equation 0=C1+C2+C3 0=C1+2C2+3C3 2=C1+4C2+9C3
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OpenStudy (anonymous):
solve Q1 for C1 then put the of C1 in both Q2 and Q3
OpenStudy (anonymous):
C1=-(C2+C3) Q2 -C1=2C2+3C3 *** C2+C3=2C2+3C3 Q3 2=C1+4C2+9C3 2-C1=4C2+9C3 *** 2+C2+C3=4C2+9C3
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