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OpenStudy (anonymous):
solve the following equation 4b/9-b/5=11
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OpenStudy (anonymous):
(4b/9 - b/5 = 11 ) * 45 20b - 9b = 495 11b=495 b=45
OpenStudy (anonymous):
b = 45
OpenStudy (anonymous):
use common denominators and go from there
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