7.5t-4.7=50.8

Add 4.7 to both sides of the equation.

7.5t=50.8+4.7

Add 50.8 and 4.7.

7.5t=55.5

7.5t=55.5

Divide each term in 7.5t=55.5 by 7.5.

7.5t7.5=55.57.5

Cancel the common factor of 7.5.

t=55.57.5

Divide 55.5 by 7.5.

t=7.4

t=7.4

Solve for t 7.5t-4.7=50.80