Algebra-1

Question Analysis
This question tests the student's ability to solve a multi-step equation with variables on both sides. The goal is to isolate the variable on one side of the equation.

Key Concept Explanation
The key concept is to use inverse operations to combine like terms and isolate the variable. This involves subtracting from both sides, then adding 15 to both sides, and finally dividing by the coefficient of .

Step-by-step Solution
1. Subtract from both sides:

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