Isolate variable d: Isolate the variable d on one side of the equation.To do this, we will subtract 9d from both sides of the equation to move all the d terms to one side.8d−3−9d=5+9d−9d
Simplify equation: Simplify both sides of the equation by combining like terms.8d−9d−3=5−1d−3=5
Add to isolate: Add 3 to both sides of the equation to isolate the term with d. −1d−3+3=5+3−1d=8
Divide to solve: Divide both sides of the equation by −1 to solve for d.−1d/−1=8/−1d=−8
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