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posted by math on Tuesday, January 11, 2011 at 9:30am.

solve for the equation 4[(2b+5)/(b+4)]=0

4[(2b+5)/(b+4)]=0 divide both sides by 4 (2b+5)/(b+4)=0 multiply both sides by b+4, b ≠ -4 2b + 5 = 0 b = -5/2

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