Math CentralQuandaries & Queries


Question from Daniel, a student:

If x = 2 then 4 + 5x / 4 + x = ?

Hi Daniel.

If you know what a variable is equal to, then you can substitute that
in for the variable in other places. This means that we can put (2)
in wherever we see an x.

So 4 + 5(2) / 4 + (2) = ?

Can you solve this? Remember to follow the order of operations properly!

Stephen La Rocque.

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