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SPM 2015 Question 9: In an arithmetic progression, the sum of the first four terms is 14 and the sixth term is -7. Find the first term and the common difference of the progression.

This problem involves finding the first term and common difference of an arithmetic progression given the sum of the first four terms and the sixth term. Learn to apply the formulas for the sum of terms and the general term in an arithmetic progression. Suitable for students in Grades 10-12.

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