-2(6.5d+7)=-19.5

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Solution for -2(6.5d+7)=-19.5 equation: 



-2(6.5d+7)=-19.5

We move all terms to the left:

-2(6.5d+7)-(-19.5)=0

We add all the numbers together, and all the variables

-2(6.5d+7)+19.5=0

We multiply parentheses

-12d-14+19.5=0

We add all the numbers together, and all the variables

-12d+5.5=0

We move all terms containing d to the left, all other terms to the right

-12d=-5.5

d=-5.5/-12

d=3.6666666666667/8

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