-2(-7d+4)+9=-13

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Solution for -2(-7d+4)+9=-13 equation:


-2(-7d+4)+9=-13

We simplify the equation to the form, which is simple to understand 
-2(-7d+4)+9=-13

Reorder the terms in parentheses
+(+14d-8)+9=-13

Remove unnecessary parentheses
+14d-8+9=-13

We move all terms containing d to the left and all other terms to the right. 
+14d=-13+8-9

We simplify left and right side of the equation. 
+14d=-14

We divide both sides of the equation by 14 to get d. 
d=-1

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