You can put this solution on YOUR website! You got the number right, but you need to be careful with the inequality sign.
You probably got to the point of something like this:
From here, you multiply each side of the inequality by -1 to solve for x. But when you multiply each side of an inequality by a negative number, you need to swap the inequality direction.
So the answer is:
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Good Luck,
tutor_paul@yahoo.com