Algebra-1

Question Analysis
This question tests the student's ability to modify an equation by performing the same operation on both sides to maintain equality. The focus is on isolating the variable term.

Key Concept Explanation
The key concept here is the balance method, where the same operation (subtracting 4) is applied to both sides of the equation to keep it balanced.

Step-by-step Solution
1. Start with the original equation:
2. Subtract 4 from both sides:

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