Solve for d
d = \frac{45}{2} = 22\frac{1}{2} = 22.5
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d+5d=135
Add 5d to both sides.
6d=135
Combine d and 5d to get 6d.
d=\frac{135}{6}
Divide both sides by 6.
d=\frac{45}{2}
Reduce the fraction \frac{135}{6} to lowest terms by extracting and canceling out 3.
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