The word greater than represent the symbol is .

The word the solutions x are all real number greater than 4 represent the solution of the inequality is .

The solution of the inequality is .

Apply multiplication property of inequality: if then .

Multiply each side by a and reverse the inequality symbol since the value of a is negative number.

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Let and substitute the values of in the inequality where a is negative number.

For example then inequality is .

The inequality is where a is .