Write as a single fraction. -1 + (7b - 4y) / 6b - (5b + 7y) / 9b Simplify your answer as much as possible.
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Step 1: Combine the fractions by finding a common denominator: $\frac{Tb - 4y}{6b} - \frac{Sb+Ty}{9b} = \frac{(Tb - 4y) \cdot 9 - (Sb + Ty) \cdot 6}{6b \cdot 9}$ Show more…
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