SOLUTION: 2x+3[x-2(9+x)]

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Question 671446: 2x+3[x-2(9+x)]
Answer by ReadingBoosters(3246)   (Show Source): You can put this solution on YOUR website!
2x + 3[x-2(9+x)]
...
2x + 3[x-2(9) - 2(x)]
...
2x + 3[x-18-2x]
...
2x + 3[-x - 18]
...
2x + 3(-x) + 3(-18)
...
2x - 3x - 54
...

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