SOLUTION: When do you change the sign on an inequality, addition, subraction, multiplication and division? for example, 12+x< or = to 9 when trying to solve this do we reverse the sign if w

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Question 496190: When do you change the sign on an inequality, addition, subraction, multiplication and division? for example, 12+x< or = to 9 when trying to solve this do we reverse the sign if we subtract the 12?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
When do you change the sign on an inequality, addition, subraction, multiplication and division? for example, 12+x< or = to 9 when trying to solve this do we reverse the sign if we subtract the 12?
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Reverse the sign only if you multiply or divide both sides by (-1). Addition and subtraction are treated the same way as in equality equations.