4(d+2.1)-2d=

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Solution for 4(d+2.1)-2d= equation:


4 (d+2.1)-2d=0

We simplify the equation to the form, which is simple to understand 
4(d+2.1)-2d=0

Reorder the terms in parentheses
+(+4d+8.4)-2d=0

Remove unnecessary parentheses
+4d+8.4-2d=0

We move all terms containing d to the left and all other terms to the right. 
+4d-2d=0-8.4

We simplify left and right side of the equation. 
+2d=-8.4

We divide both sides of the equation by 2 to get d. 
d=-4.2

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