SOLUTION: The terms 5 + x, 8, and 1 + 2x are consecutive terms in an arithmetic sequence. Determine the value of x and state the three terms.

Question 935824: The terms 5 + x, 8, and 1 + 2x are consecutive terms in an arithmetic sequence. Determine the value of x and state the three terms.
Found 2 solutions by MathLover1, josgarithmetic:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
first term is ,
second term is , and
third term is
you know that between each term is same difference:
is same as
make it equal and solve for

first term is , =>
second term is , and
third term is =>

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Difference between consecutive terms is constant.

and .

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