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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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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?

5. Jovi solved the following system of equations by substitution. His partner Giselle-example-1
User BlueDolphin
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1 Answer

4 votes
Step three: it should be 12y=-12, because -4-8=-12

Step four should be y=1, because 12/12=1, not -1
User Kyuu
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