To subtract \(2x\) from both sides of the equation \(3 + 2x = 2x + 3\), you can perform the following steps:
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Start with the equation: \[ 3 + 2x = 2x + 3 \]
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Subtract \(2x\) from both sides: \[ 3 + 2x - 2x = 2x + 3 - 2x \]
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Simplify both sides: \[ 3 = 3 \]
The remaining values show that both sides are equal, confirming that the equation holds true. The final expression after the operation is simply: \[ 3 = 3 \]