A cookie has an unknown number of chocolate chips that are evenly distributed throughout. The cookie is broken into four equal pieces, and the number of chocolate chips in one piece is examined. During the examination, three chocolate chips are eaten from this one piece. As a result, the number of chips remaining in this one piece is found to be 7.

How many chocolate chips were in the entire cookie? Translate this into an equation, using x to represent the amount of chocolate chips in the whole cookie.