6(-15-7d)=2(-12d-18)

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Solution for 6(-15-7d)=2(-12d-18) equation: 



6(-15-7d)=2(-12d-18)

We move all terms to the left:

6(-15-7d)-(2(-12d-18))=0

We add all the numbers together, and all the variables

6(-7d-15)-(2(-12d-18))=0

We multiply parentheses

-42d-(2(-12d-18))-90=0



We calculate terms in parentheses: -(2(-12d-18)), so:

2(-12d-18)

We multiply parentheses

-24d-36

Back to the equation:

-(-24d-36)



We get rid of parentheses

-42d+24d+36-90=0

We add all the numbers together, and all the variables

-18d-54=0

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

-18d=54

d=54/-18

d=-3

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