To simplify the expression \( 4x - 7 + 2x \), you can combine the like terms (the terms with \( x \)):
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Combine \( 4x \) and \( 2x \): \[ 4x + 2x = 6x \]
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So the expression becomes: \[ 6x - 7 \]
Therefore, the simplified expression is \( 6x - 7 \).