Rewrite the equation as .

Combine and .

Add to both sides of the equation.

Add and .

Multiply both sides of the equation by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Solve for d -10=-2+1/2d

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# Solve for d -10=-2+1/2d

Rewrite the equation as .

Combine and .

Add to both sides of the equation.

Add and .

Multiply both sides of the equation by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Solve for d -10=-2+1/2d