SOLUTION: 4x+3<=9 on a number line

Question 177272: 4x+3<=9 on a number line
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given inequality.

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

Note: the endpoint at is a closed circle
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