Question

question
identify the variable in the expression below.
$a + 7$
answer
attempt 1 out of 2

Explanation:

Step1: Recall variable definition

A variable is a symbol representing a quantity that can change. In the expression \(a + 7\), \(a\) is the symbol that can take different values, while \(7\) is a constant.

Answer:

\(a\)