Asked by Lindsay
Solve /3x + 12/ >= 21
PS>= means is greater than or equal to.
PS>= means is greater than or equal to.
Answers
Answered by
Henry
If the absolute value of a number is 21,
the number can be positive or negative 21:
3x+12 => +-21
3x => +-21-12
X = (+-21-12)/3 = 3 or -11.
the number can be positive or negative 21:
3x+12 => +-21
3x => +-21-12
X = (+-21-12)/3 = 3 or -11.
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