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ICE Princess25 [194]
2 years ago
6

Grade 8 Math

Mathematics
1 answer:
seraphim [82]2 years ago
8 0
Add 31 to both sides.

Since you brought the 9n over to the left side you have to get rid of other numbers that aren't n on that side

So you add the 31 to both side to remove it from the left
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