To determine which of the numbers 1, 2, and 3 is a solution of the inequality 2x + 1 > 7, we can substitute each number into the inequality and see which ones make the inequality true.
1. For x = 1:
2(1) + 1 > 7
2 + 1 > 7
3 > 7
This is false, so 1 is not a solution.
2. For x = 2:
2(2) + 1 > 7
4 + 1 > 7
5 > 7
This is false, so 2 is not a solution.
3. For x = 3:
2(3) + 1 > 7
6 + 1 > 7
7 > 7
This is true, so 3 is a solution.
Therefore, the only number that is a solution to the inequality 2x + 1 > 7 is 3.
Which of the numbers 1, 2, and 3 is a solution of 2x + 1 > 7?
3 answers
the answer is 3
Yes, that is correct. The only number that is a solution to the inequality 2x + 1 > 7 is 3.