Move all terms not containing d to the right side of the equation.
Subtract 8 from both sides of the equation.
Subtract 8 from 83.
Divide each term by 15 and simplify.
Divide each term in 15d=75 by 15.
Cancel the common factor of 15.
Cancel the common factor.
Divide d by 1.
Divide 75 by 15.
Solve for d 15d+8=83