SOLUTION: 3{[7(x - 2) + 4] - [2(2x - 5) + 6]} =

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Question 658487: 3{[7(x - 2) + 4] - [2(2x - 5) + 6]} =
Answer by ReadingBoosters(3246) About Me  (Show Source):
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3{[7(x-2) + 4] - [2(2x-5) + 6]}
...
3{[7x - 14 + 4] - [4x - 10 + 6]}
3{[7x - 10] - [4x-4]}
21x - 30 - 12x - 12
...
combine like terms
21x - 12x - 30 - 12
highlight_green%289x+-+18%29
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