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Jarred, You can solve inequalities very much as you solve equalities, but there is one difference. If you multiply or divide both sides of an inequality by a negative number you must reverse the direction of the inequality. Let me illustrate with
The first step is to add -5 to each side to get
or
Next multiply both sides by -1/4. Since -1/4 is negative I must reverse the direction of the inequality to get
which simplifies to
Now try your problem, | ||||||||||||
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Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. |