$\"\"$ $\"\"$

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The inequality is $\"\"$ .

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$\"\"$ (Distributive property: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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Apply addition property of inequality: Add 3b to each side.

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$\"\"$ $\"\"$

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$\"\"$ (Commutative property: a+b=b+a)

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$\"\"$ (Additive inverse property: $\"\"$ )

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$\"\"$ (Additive identity property: $\"\"$ )

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$\"\"$ (Add: $\"\"$ )

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Since the inequality results in a true statement,the solution is the infinity

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set $\"\"$

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$\"\"$

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The inequality solution set is $\"\"$ .