To solve the equation \( 9x + 16 = 6x + 1 \), we can follow these steps:
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Subtract \(6x\) from both sides: \[ 9x - 6x + 16 = 1 \] \[ 3x + 16 = 1 \]
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Next, subtract \(16\) from both sides: \[ 3x = 1 - 16 \] \[ 3x = -15 \]
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Finally, divide by \(3\): \[ x = -5 \]
Thus, the solution is \( x = -5 \).
So the correct response is: x = −5.