5 + 4 = 9
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n + 5
-2 + 15 + 5 The indicated sum is 18 .
This is ex. Of numerical expression 5-5, 5/5 5+5, 5*5
The algebraic expression for "4 less than the sum of a number and 5" is (n + 5) - 4, where n represents the unknown number.
A numerical expression is ' 2 + 3' A numerical equation is ' 2 + 3 = 5'.