Understanding Why (5 - x)/(x - 5) Equals -1: Common Algebra Mistake
Explore the simplification of (5 - x)/(x - 5) and understand why it equals -1. This video addresses a common mistake made by students in algebra to help you avoid losing marks.
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About this video
Why Does (5 - x)/(x - 5) = -1?| Simplification Questions | Algebra Common mistake made by students
❗️Don’t lose marks because of this simple algebra mistake!❗️
In this video, we explain why the fraction (5−x)/(x−5) is not equal to 1, and how you can correctly simplify it to get −1
−1. This is a classic example where misunderstanding subtraction and negative signs causes confusion in algebra.
You’ll learn:
✅ How to handle expressions with reversed terms
✅ Why subtraction order matters in algebra
✅ Tricks to avoid this mistake in exams and homework
This lesson is perfect for Class 9-12 students, JEE aspirants, and anyone struggling with algebra.
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Published
Aug 24, 2025
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