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OpenStudy (anonymous):
b-9+6b=30
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OpenStudy (anonymous):
add 9 to both sides:\[b+6b=39\]factor our the b:\[b(1+6)=39\]can you figure out the rest? :)
OpenStudy (anonymous):
b-9+6b=30 7b-9=30 7b=39 b=5.57 or 36/7
OpenStudy (anonymous):
^ 39/7
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