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Mathematics 7 Online
OpenStudy (anonymous):

PLEASE help! MEDAL + FAN! A student solved the following problem and made an error:

OpenStudy (anonymous):

OpenStudy (anonymous):

In which line did the student make the first mistake? a. Line 1 b. Line 5 c. Line 6 d. Line 2 At first I thought it was B, but now I think it's C. I'm not entirely sure though :/

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