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OpenStudy (anonymous):
what is b equal to in 7b+4=9b-2
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OpenStudy (anonymous):
7b - 9b = -2 - 4 -2b = -2 -2b/2 = -2/2 b = -2
OpenStudy (anonymous):
Wait oops I seem to have made a mistake. 7b - 9b = -2 - 4 - 2b = - 6 - 2b / -2 = -6 / -2 b = 3
OpenStudy (anonymous):
oh ok thank you very much
OpenStudy (anonymous):
No problem :)
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