Algebra-1

A. 15 - (3 -x )

Explanation: This expression involves subtraction, not addition, and does not simply rearrange the terms using the commutative property. It changes the structure of the original expression.

B. 15+(3−x)

Explanation: This expression uses the commutative property of addition to rearrange the terms. It maintains the same components as the original expression (3−x)+15 but changes the order, making it equivalent.