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guajiro [1.7K]
3 years ago
9

-3|r+4|=-21 need help for a friend

Mathematics
1 answer:
KonstantinChe [14]3 years ago
4 0
Ans given below

-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
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Y_Kistochka [10]

Answer: division property of equality

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2 years ago
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zysi [14]

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