Solve for t
t=2.5
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5t=8.5+4
Add 4 to both sides.
5t=12.5
Add 8.5 and 4 to get 12.5.
t=\frac{12.5}{5}
Divide both sides by 5.
t=\frac{125}{50}
Expand \frac{12.5}{5} by multiplying both numerator and the denominator by 10.
t=\frac{5}{2}
Reduce the fraction \frac{125}{50} to lowest terms by extracting and canceling out 25.
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