Solve for x
x=\frac{d-300}{33}
Solve for d
d=33x+300
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33x+300=d
Swap sides so that all variable terms are on the left hand side.
33x=d-300
Subtract 300 from both sides.
\frac{33x}{33}=\frac{d-300}{33}
Divide both sides by 33.
x=\frac{d-300}{33}
Dividing by 33 undoes the multiplication by 33.
x=\frac{d}{33}-\frac{100}{11}
Divide d-300 by 33.
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