p+ 7 expresses the sum of p and 7.
What does a math expression mean?
An expression in mathematics is made up of numbers, variables, and functions (such as addition, subtraction, multiplication or division etc.) You can think of expressions as being comparable to phrases. A phrase in language may contain an action on its own, but it does not constitute a whole sentence.
Therefore, p+ 7 expresses the sum of p and 7.
To learn more about math expressions refer to :
https://brainly.com/question/4344214
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