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Rufina [12.5K]
3 years ago
15

Error Analysis The solution shown for the equation is

Mathematics
1 answer:
Oksanka [162]3 years ago
8 0
The error is when you multiply -7 by -1 it is 7 not -7 so,
-14+7-21
-7-21
-28
Also where did r come from you asking 2 different questions
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