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Anastasy [175]
3 years ago
11

Write answer as x= x-21=99

Mathematics
2 answers:
murzikaleks [220]3 years ago
7 0
X=120
This is the answer because 120-21=99
SpyIntel [72]3 years ago
6 0

Answer:

x=99+21

x=120.............

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<span>Here's the rule.  I'm SURE you learned it in Middle School.  Or,
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3 0
3 years ago
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