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pychu [463]
2 years ago
14

Solve. X-9 = 12 .....

Mathematics
2 answers:
Lelechka [254]2 years ago
5 0

Answer:

x=21

Step-by-step explanation:

x=9+12 x=21

kumpel [21]2 years ago
3 0

Answer:

Step-by-step explanation:

X-9=12

Reverse the operation into

9+12=x

9+12=21

Now check

21-9=12

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