To solve the equation \( x + 23 = 9 \), you need to isolate \( x \).
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Subtract 23 from both sides:
\[ x + 23 - 23 = 9 - 23 \]
This simplifies to:
\[ x = 9 - 23 \]
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Calculate the right side:
\[ 9 - 23 = -14 \]
So, the solution is \( x = -14 \).
The correct response is:
−14