Identify the law illustrated by:20x +50 is the same as 50+20x

The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3

What expression is equivalent to 1/2(2+3x-6)

How is working backward similar to solving an equation?