Tag
inequality sign flipping
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When Do You Flip the Inequality Sign? The Hidden Rules of Math Logic
The moment you encounter an inequality like 3x > 12 and divide both sides by a negative number, the sign flips— x —without warning. Why? Because the operation...
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When Do You Flip Inequality Sign? The Hidden Math Rules Everyone Misses
Take the equation 3x > 12 . Dividing both sides by 3 keeps the inequality intact: x > 4 . But introduce a negative divisor—say, -2 —and the sign flips: x...