SOLUTION: how do I solve -3x<9

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Question 453119: how do I solve -3x<9
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how do I solve -3x<9
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-3x < 9
Divide by -3
That changes the < to >
x > -3
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Or do it this way
-3x < 9
Add 3x
0 < 3x + 9
Subtract 9
-9 < 3x
Divide by 3
-3 < x
x > -3 same answer