Solve for b
b=-3.5
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b=\frac{-30.59}{8.74}
Divide both sides by 8.74.
b=\frac{-3059}{874}
Expand \frac{-30.59}{8.74} by multiplying both numerator and the denominator by 100.
b=-\frac{7}{2}
Reduce the fraction \frac{-3059}{874} to lowest terms by extracting and canceling out 437.
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