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MATH / The first term of an arithmetic sequence is 2. The sum of the third and the sixth terms is 25. What is the fourth term?

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problem

The first term of an arithmetic sequence is 22. The sum of the third and the sixth terms is 2525. What is the fourth term?
Plain-text mathematical notation (without MathML)
The first term of an arithmetic sequence is 2. The sum of the third and the sixth terms is 25. What is the fourth term?
Original LaTeX notation
The first term of an arithmetic sequence is $2$. The sum of the third and the sixth terms is $25$. What is the fourth term?

level

Level 3

type

Algebra

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