Question 141875
To solve for e, you must get the "e" by itself.  You have to eliminate the 7.  Since the 7 is multiplied times the e, in order to UNDO this, you have to DIVIDE both sides by 7.  This would be:
{{{d=7e}}}

{{{d/7=(7e)/7}}}


{{{d/7=e}}}


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