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Mathematics 15 Online
OpenStudy (anonymous):

|2b+5|=9

OpenStudy (technodynamic):

b=2,-7

OpenStudy (anonymous):

Thanks'a'much

OpenStudy (technodynamic):

yw

OpenStudy (anonymous):

\[-9 = 2b +5 = 9\] Subtract 5 from both sides \[-14 = 2b = 4\] divide by 2 \[-7 = b = 2\] so b = -7 or b = 2

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