Although the sum of two numbers equals their product for only one certain value (apart from 0 of course), multiplication may be considered as a short-cut way to perform a string of additions.
I'll leave you to deduce that singular value N for which N + N = N X N.
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Multiplication by an integer is the same as repeated addition.
Multiplication is repeated addition.
For addition, 0 and for multiplication, 1.
a multiplication form is repeated addition
The set of integers is closed with respect to multiplication and with respect to addition.