1. Write an expression for "n decreased by 3."
2 answers:
Answer: The required expression is
Step-by-step explanation: We are given to write an expression for the following statement :
"n decreased by 3."
We know that
if we are decreasing a units from some quantity b, then we should subtract a from b.
This is written as follows :
Therefore, for the given expression, we should subtract 3 from n.
This can be written as :
Thus, the required expression is
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