Algebra-1

Question Analysis
This question tests the student's ability to solve a basic "or" compound inequality and express the solution in interval notation.

Key Concept Explanation
The key concept here is understanding that the solution to an "or" compound inequality is the union of the solutions to each individual inequality.

Step-by-step Solution
1. Solve the first inequality: . Add 7 to both sides: .
2. Solve the second inequality: . Subtract 3 from both sides:

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