Question
which of the numbers 1,2 and 3 is a solution of 2x + 1 ≥ 7?
Answers
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Answered by
GPT 3.5
Let's test each number in the inequality:
1. If x = 1:
2(1) + 1 ≥ 7
2 + 1 ≥ 7
3 ≥ 7
3 is not greater than or equal to 7, so 1 is not a solution.
2. If x = 2:
2(2) + 1 ≥ 7
4 + 1 ≥ 7
5 ≥ 7
5 is not greater than or equal to 7, so 2 is not a solution.
3. If x = 3:
2(3) + 1 ≥ 7
6 + 1 ≥ 7
7 ≥ 7
7 is equal to 7, so 3 is a solution.
Therefore, the number 3 is the only solution to the inequality 2x + 1 ≥ 7.
1. If x = 1:
2(1) + 1 ≥ 7
2 + 1 ≥ 7
3 ≥ 7
3 is not greater than or equal to 7, so 1 is not a solution.
2. If x = 2:
2(2) + 1 ≥ 7
4 + 1 ≥ 7
5 ≥ 7
5 is not greater than or equal to 7, so 2 is not a solution.
3. If x = 3:
2(3) + 1 ≥ 7
6 + 1 ≥ 7
7 ≥ 7
7 is equal to 7, so 3 is a solution.
Therefore, the number 3 is the only solution to the inequality 2x + 1 ≥ 7.
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