Answer:
2×-y
Step-by-step explanation:
Twice a number x " tells us that we are taking x , and multiplying it by two. This can be written as. 2⋅x , or 2x.
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Answers & Comments
Answer:
2×-y
Step-by-step explanation:
Twice a number x " tells us that we are taking x , and multiplying it by two. This can be written as. 2⋅x , or 2x.