2x + 1=7

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2x + 1=7 Answer: 3

Let's solve this step by step, carefully: We have the equation: 2x+1=7 1. Subtract 1 from both sides: 2x+1−1=7−1 2x=6 2. Divide both sides by 2: x=6/2 x=3 Answer: x = 3