Equations   »      
In the worksheet on the right, a scale was drawn at the start that is not in balance.

In the boxes are always the
same number x of red balls.

Now you have to find out how many
red balls were originally in a
blue box.

Take red balls from the boxes and
 balance the scales » 

Click on  check  to check your answer.
Click on  new  to create a new problem.
Can you top 295 points?



Solve equations
Balance model -3-
    ⇔  x =
     

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