Algebra-1

The associative property states that when adding or multiplying three or more numbers, the grouping of the numbers does not affect the result. In mathematical terms, it can be expressed as:

(a + b) + c = a + (b + c)

Using this definition, let's solve the equation:

4 + (____ + 5) = (4 + 7) + 5

We can rewrite the left side...