4-0.4(4d-5)=12

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Solution for 4-0.4(4d-5)=12 equation:


4-0.4(4d-5)=12

We simplify the equation to the form, which is simple to understand 
4-0.4(4d-5)=12

Reorder the terms in parentheses
4+(-1.6d+2)=12

Remove unnecessary parentheses
+4-1.6d+2=+12

We move all terms containing d to the left and all other terms to the right. 
-1.6d=+12-4-2

We simplify left and right side of the equation. 
-1.6d=+6

We divide both sides of the equation by -1.6 to get d. 
d=-3.75

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