The example of a scale where we try to achieve balance helps to explain why we do the same thing to both sides of an equation.
One-step equation intuition is a free educational video by Khan Academy.It helps students in grades 6 practice the following standards 6.EE.B.7.
1. 6.EE.B.7 : Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers..
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