SOLUTION: I have tried this but can not figure out, especially the "set-builder notation."
4
- (3x + 4) < 20
5
Did not know how but its suppose to be < with a line undernea
Algebra.Com
Question 185534: I have tried this but can not figure out, especially the "set-builder notation."
4
- (3x + 4) < 20
5
Did not know how but its suppose to be < with a line underneath.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given inequality.
Multiply both sides by 5.
Multiply.
Distribute.
Subtract from both sides.
Combine like terms on the right side.
Divide both sides by to isolate .
Reduce.
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Answer:
So the answer is
So the answer in interval notation is (
]
Also, the answer in set-builder notation is 
Here's the graph of the solution set
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