**the fifth term of an ap is 20 and the sum of its seventh and eleventh terms is 64. find the common difference.?**,Welcome to the solution site, which is interested in answering educational questions, as it provides an answer to your questions in all areas

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**the fifth term of an ap is 20 and the sum of its seventh and eleventh terms is 64. find the common difference.**

We have: a5 = 20 and a7 + a11 = 64.

Thus, the common difference of the AP is **3**