The problem states that we have an arithmetic sequence $x, x+3, 3x+2$. We need to find the first 5 terms of the sequence.

AlgebraArithmetic SequencesSequences and SeriesLinear Equations
2025/4/27

1. Problem Description

The problem states that we have an arithmetic sequence x,x+3,3x+2x, x+3, 3x+2. We need to find the first 5 terms of the sequence.

2. Solution Steps

First, we need to determine the value of xx. Since the sequence is arithmetic, the difference between consecutive terms must be constant. Therefore,
(x+3)x=(3x+2)(x+3)(x+3) - x = (3x+2) - (x+3)
Simplifying the equation:
3=3x+2x33 = 3x+2 - x - 3
3=2x13 = 2x - 1
4=2x4 = 2x
x=2x = 2
Now that we have x=2x=2, we can find the first three terms of the sequence:
First term: x=2x = 2
Second term: x+3=2+3=5x+3 = 2+3 = 5
Third term: 3x+2=3(2)+2=6+2=83x+2 = 3(2)+2 = 6+2 = 8
The common difference dd is the difference between consecutive terms:
d=52=3d = 5 - 2 = 3
d=85=3d = 8 - 5 = 3
Now we can find the next two terms:
Fourth term: 8+3=118 + 3 = 11
Fifth term: 11+3=1411 + 3 = 14
Therefore, the first five terms are 2, 5, 8, 11,
1
4.

3. Final Answer

The first 5 terms of the arithmetic sequence are 2, 5, 8, 11, 14.

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