solve inequality, give answer in interval notation  |4-3x|+6≥7
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1 Answer

|4 - 3x| + 6 >= 7
|4 - 3x| >= 1
4 - 3x <= -1 or 4 - 3x >= 1
3x - 4 >= 1 or 3x - 4 <= -1
3x >= 5 or 3x <= 3
x >= 5/3 or x <= 1

In interval notation, we have: (-infinity , 1] U [5/3, infinity)
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