Move all terms not containing t to the right side of the equation.
Add 4.7 to both sides of the equation.
Add 50.8 and 4.7.
Divide each term by 7.5 and simplify.
Divide each term in 7.5t=55.5 by 7.5.
Cancel the common factor of 7.5.
Divide 55.5 by 7.5.
Solve for t 7.5t-4.7=50.80