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1/2d-3=2
We simplify the equation to the form, which is simple to understand
1/2d-3=2
We move all terms containing d to the left and all other terms to the right.
+2d=+2+3
We simplify left and right side of the equation.
+2d=+5
We divide both sides of the equation by 2 to get d.
d=2.5
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