California Algebra 1, 2008
35

 PAGE: 306 SET: Exercises PROBLEM: 35

The inequality equation is .

Apply multiplication property of inequality: Multiply each side by 3.

(Cancel common terms)

(Multiply: )

Apply division property of inequality: Divide each side by 2.

(Cancel common terms)

(Multiply each side by negative one and flip the symbol)

(Product of two same signs is positive)

(Divide: )

Graph the solution set on a number line.

Note: A dot means that this point is included in the solution set.

Check:

To check, substitute 13.5, a number greater than 13.5 in .

(Substitute  )

(Multiply: )

(Divide: )

The inequality is true.

The inequality solution is .

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