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Gyaan Maths
CBSE · Class 6-12
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Back to Finding the Unknown
Class 7 · Ganita Prakash · Unit 15: Finding the Unknown
Verification
Lesson 3 of 3
Always substitute back. If both sides agree, solution is correct.
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Transposition Shortcut
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All lessons in this unit
1. The Golden Rule
2. Transposition Shortcut
3. Verification