When there are boxes inside other boxes empty the inner boxes into their containers and simplify, then empty the last boxes onto the board.
These two boxes are on the board.
Results in
Results in
Results in
Emptying these onto the board results in
In mathematics
2(8 + x + 3(2x – 1)) = 2(8 + x + 6x – 3) = 2(8 – 3 + 7x) = 2(5 + 7x) = 10 + 14x
Using cards
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Gives the same results as
Gives the same results as
Gives the same results as
Gives the same results as
Gives the same results as