Solve for d
d=2
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2+8d=18
Swap sides so that all variable terms are on the left hand side.
8d=18-2
Subtract 2 from both sides.
8d=16
Subtract 2 from 18 to get 16.
d=\frac{16}{8}
Divide both sides by 8.
d=2
Divide 16 by 8 to get 2.
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