Move all terms not containing d to the right side of the equation.
Add 32.7 to both sides of the equation.
Add 74.1 and 32.7.
Divide each term by -2.5 and simplify.
Divide each term in -2.5d=106.8 by -2.5.
Cancel the common factor of -2.5.
Divide 106.8 by -2.5.
Solve for d -2.5d-32.7=74.1