**Q:** 4x-5y=k, 2x-3y=12 Find the value of ‘k’ for which each of the following system has a unique solution.

**Solution:**

### Chapter 1 Real Numbers

### Chapter 2 Polynomials

**Chapter 3 Pair of Linear Equations in 2 Variables**

**Chapter 4 Quadratic Equations**

### Chapter 5 Arithmetic Progression

### Chapter 6 Triangles

### Chapter 8 Trigonometry

### Chapter 9 Some Applications of Trigonometry

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