12+8(-9d+15)=-2(-19d-11)

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Solution for 12+8(-9d+15)=-2(-19d-11) equation: 



12+8(-9d+15)=-2(-19d-11)

We move all terms to the left:

12+8(-9d+15)-(-2(-19d-11))=0

We multiply parentheses

-72d-(-2(-19d-11))+120+12=0



We calculate terms in parentheses: -(-2(-19d-11)), so:

-2(-19d-11)

We multiply parentheses

38d+22

Back to the equation:

-(38d+22)



We add all the numbers together, and all the variables

-72d-(38d+22)+132=0

We get rid of parentheses

-72d-38d-22+132=0

We add all the numbers together, and all the variables

-110d+110=0

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

-110d=-110

d=-110/-110

d=1

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