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Which of the numbers 1, 2, and 3 is a solution of 2x + 1 >= 7 ?

1 answer

We can solve this inequality by subtracting 1 from both sides and then dividing by 2:

2x + 1 >= 7

2x >= 6

x >= 3

So any number greater than or equal to 3 is a solution.

Therefore, only the number 3 is a solution of this inequality.
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