Solve for d
d=6
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-d-5d=-36
Subtract 36 from both sides. Anything subtracted from zero gives its negation.
-6d=-36
Combine -d and -5d to get -6d.
d=\frac{-36}{-6}
Divide both sides by -6.
d=6
Divide -36 by -6 to get 6.
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