You can put this solution on YOUR website! All you have to know is this general idea:
Practice this:
Now write it this way:
Now do what I did above:
Do the addition:
It's the same as
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Now do it a little differently
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Once you are good at this, you can do
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You can check this. Make or any number
Now go back to ( the same answer )
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Just practice, practice, and do this number substitution
to check results
Hope this helps