To simplify the expression \( 18 - 949 + 79 - 8 \), we can combine the terms step by step:
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Start with \( 18 - 949 \): \[ 18 - 949 = -931 \]
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Next, add \( 79 \) to the result: \[ -931 + 79 = -852 \]
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Finally, subtract \( 8 \): \[ -852 - 8 = -860 \]
Thus, the simplified expression is: \[ -860 \]
As a fraction, this can be expressed as: \[ \frac{-860}{1} \]
Therefore, the final answer is: \[ \frac{-860}{1} \]