Question

When you subtract the same number from both sides of an inequality dose the inequality remain true ?

Answer 1

Good evening ,

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Answer:

Yes ,it remains true.

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Explanation:

e.g:

x + 12 ≤ 2021 ⇔ (x + 12) ≤ 2021 - 2 ⇔ x + 10 ≤ 2019

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