To solve the expression you've provided, let's break it down step by step:
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Calculate the expression on the left side:
- \( 2 + 11 - 11 - 1 \)
Start with \( 2 + 11 = 13 \) Then \( 13 - 11 = 2 \) Finally, \( 2 - 1 = 1 \)
So, the left side simplifies to \( 1 \).
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Calculate the expression on the right side:
- \( 0 + 0 + 0 + 1 = 1 \)
Now we can compare both sides:
- Left side: \( 1 \)
- Right side: \( 1 \)
Since both sides are equal:
-1 OR 1 = true
Thus, the statement simplifies to a true condition. If you meant for there to be a different evaluation or logical operation, please clarify!