Pickanumba, Result is 2

Think of any number, multiply it by 2, then add 4, multiply by 3, divide by 6, subtract the number you started with, and the result will be 2. Explain with algebra why this works.


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Start with the expression that describes the operations to be performed on your chosen number, x:

(2x + 4) · 3  – x
6

and simplify the expression. You’ll end up with 2, regardless of the value of x.

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