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solve the following inequality

/3x + 12/ >/ 21

PS >/ means greater than or equal to.

1 answer

I will assume the left side is supposed to be absolute value ...

|3x+12| ≥ 21

3x+12 ≥ 21 OR -3x-12 ≥ 21
3x ≥ 9 or -3x ≥ 33

x≥ 3 or x ≤ -11
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