SOLUTION: -9-(12-3x) help please

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Question 674582: -9-(12-3x) help please
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
distribute the negative
-9 -(12) - (-3x)
-9 - 12 + 3x
-21 + 3x
highlight_green%283x-21%29
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Delighted to help.
-Reading Boosters
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