Solve for t
t = \frac{15427}{1962} = 7\frac{1693}{1962} \approx 7.862895005
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77.135-9.81t=0
Swap sides so that all variable terms are on the left hand side.
-9.81t=-77.135
Subtract 77.135 from both sides. Anything subtracted from zero gives its negation.
t=\frac{-77.135}{-9.81}
Divide both sides by -9.81.
t=\frac{-77135}{-9810}
Expand \frac{-77.135}{-9.81} by multiplying both numerator and the denominator by 1000.
t=\frac{15427}{1962}
Reduce the fraction \frac{-77135}{-9810} to lowest terms by extracting and canceling out -5.
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