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OpenStudy (anonymous):
3(x - 7) - x = 2x - 21
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OpenStudy (anonymous):
3(x) - 3(7)= 2x-21
OpenStudy (anonymous):
3x-21=2x-21
OpenStudy (anonymous):
3x-21-2x=2x-2x-21
OpenStudy (anonymous):
x-21=-21
OpenStudy (anonymous):
what is the final answer? x= ?
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OpenStudy (anonymous):
@glubglubglub are you there?
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