Help!!! x ≥ 4 if and only if 3x ≥ 12.

asked Jan 21, 2021 176k views

3 votes

Help!!!
x ≥ 4 if and only if 3x ≥ 12.

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Answer: If 3x ≥ 12 then x ≥ 4 is true.

But x can be greater than or equal to 4 in other conditions:

4x ≥ 16

-3x ≤ -12

Explanation:

Bastiat answered Jan 25, 2021

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