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OpenStudy (anonymous):
5x-[7-(2x-1)] 5x-[7- 2x + 1] I got to the 2nd step. How do you solve that with the brackets?
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OpenStudy (callisto):
To remove that bracket, do something like you've done for removing the bracket ( ) That is 5x-[7- 2x + 1] = 5x - 7 - (-2x) - (+1) = ...
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