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5. Jovi solved the following system of equations by substitution. His partner Giselle checked his work and said she found an error. What step did Giselle find the error?
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Sep 9, 2022
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5. Jovi solved the following system of equations by
substitution. His partner Giselle checked his work
and said she found an error. What step did Giselle
find the error?
Mathematics
high-school
BlueDolphin
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Step three: it should be 12y=-12, because -4-8=-12
Step four should be y=1, because 12/12=1, not -1
Kyuu
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Sep 14, 2022
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