Difficulty: Easy
Correct Answer: = x +
Explanation:
Introduction / Context:
We must choose three symbols that, when substituted in order, yield a correct equality. The placement of “=” divides left and right sides.
Given Data / Assumptions:
Concept / Approach:
Testing Option B produces an immediately true equality.
Step-by-Step Solution:
Verification / Alternative check:
Other placements of “=” do not simplify to an identity with remaining symbols.
Why Other Options Are Wrong:
Common Pitfalls:
Final Answer:
= x +
Discussion & Comments