the sum of 12 and an unknown number is 33.
what is unknown number?
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33-12=21
therefore no. is 21
33-12=21
therefore no. is 21
SKoduri17:
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Answer:
21
Step-by-step explanation:
the unknown number =x
the sum of unknown number=33
the sum of 1 side =12
we subtract the sum of unknown number which is 33 by 12.
33-12
=> 21
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