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murzikaleks [220]
3 years ago
8

The difference between 3 times a number and 21

Mathematics
2 answers:
Over [174]3 years ago
5 0

Answer:

3 times 7 = 21

Step-by-step explanation:

madreJ [45]3 years ago
3 0

Answer:

3x-21

Step-by-step explanation:

times means multiply and a number means a variable, and difference means subtract

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