2=-2(2d-9)

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Solution for 2=-2(2d-9) equation:


2=-2(2d-9)

We simplify the equation to the form, which is simple to understand 
2=-2(2d-9)

Reorder the terms in parentheses
2=+(-4d+18)

Remove unnecessary parentheses
+2=-4d+18

We move all terms containing d to the left and all other terms to the right. 
+4d=+18-2

We simplify left and right side of the equation. 
+4d=+16

We divide both sides of the equation by 04 to get d. 
d=4

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