20d-(d-4)+4d=8

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Solution for 20d-(d-4)+4d=8 equation:


20d-(d-4)+4d < = 8

We simplify the equation to the form, which is simple to understand 
20d-(d-4)+4d<=8

Remove unnecessary parentheses
20d-1d+4=+4d<8

We move all terms containing d to the left and all other terms to the right. 
+20d-1d-4d=-4

We simplify left and right side of the equation. 
+15d=-4

We divide both sides of the equation by 15 to get d. 
d=-0.26666666666667

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