sarahbrandt12
sarahbrandt12
30-05-2017
Mathematics
contestada
help me with math please
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Аноним
Аноним
30-05-2017
The mistake was made in step 2
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irspow
irspow
30-05-2017
Step two. His simplification of step one is incorrect. -4y=4-2z should have been -4y=-16+8z
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