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"Do you get the principle behind the balancing of scales? Between how weights get balanced on a scale? Great! That&rsquo;s pretty much all you need to know to solve equations. Don&rsquo;t believe me? Go ahead and see for yourself.  We at Byju's Classes strongly believe that a spirit of learning and understanding can only be inculcated when the student is curious, and that curiosity can be brought about by creative and effective teaching. It is this approach that makes our lectures so successful and gives our students an edge over their counterparts.  For more info visit: https://byjus.com/maths/addition-and-subtraction-of-algebraic-expressions/   Our website- https://www.byjus.com/ Download our app on android- https://goo.gl/5Uz70E Download our app on an Apple device- https://goo.gl/2mLi1I"
<https://byjus.com/cbse-notes/cbse-class-7-maths-notes-chapter-4-simple-equations/>