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0.255(d-12) =4
We simplify the equation to the form, which is simple to understand
0.255(d-12)=4
Reorder the terms in parentheses
+( + 0.255d-3.06)=4
Remove unnecessary parentheses
+ 0.255d-3.06=+4
We move all terms containing d to the left and all other terms to the right.
+ 0.255d=+4+3.06
We simplify left and right side of the equation.
+ 0.255d=+7.06
We divide both sides of the equation by 0.255 to get d.
d=27.686274509804
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