How to check a solution of a system of inequalities (example) Bangla

Title:
How to check a solution of a system of inequalities (example) Bangla
Video Language:
Bengali
Team:
Khan Academy
Duration:
01:26
http://www.youtube.com/watch?v=vu9QxpQWlGY
Format: Youtube
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Original
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Format: Youtube
Primary
Original
Synced
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