Rewrite the equation as .

Subtract from both sides of the equation.

Subtract from .

Multiply both sides of the equation by .

Simplify .

Cancel the common factor of .

Move the leading negative in into the numerator.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply.

Multiply by .

Multiply by .

Multiply by .

Solve for d -8=14-d/9