Example

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An example is a problem plus the steps leading up to its solution. For instance, if the problem is "Solve 12+2*x=15 for x" then one example is:

In order to solve 12+2*x=15 for x, we write

2*x=15-12
2*x=3
x=3/2
x=1.5

There are 4 steps in this solution.