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ladessa [460]
2 years ago
12

What mistake did this student make?

Mathematics
2 answers:
Vilka [71]2 years ago
6 0
The answer is 3) the 1st equation should have been multiplied by 2
Gnoma [55]2 years ago
5 0

Answer:

3. the 1st equation should have been multiplied by 3

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