-18d-18d+10=7(-3d-20)

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Solution for -18d-18d+10=7(-3d-20) equation: 



-18d-18d+10=7(-3d-20)

We move all terms to the left:

-18d-18d+10-(7(-3d-20))=0

We add all the numbers together, and all the variables

-36d-(7(-3d-20))+10=0



We calculate terms in parentheses: -(7(-3d-20)), so:

7(-3d-20)

We multiply parentheses

-21d-140

Back to the equation:

-(-21d-140)



We get rid of parentheses

-36d+21d+140+10=0

We add all the numbers together, and all the variables

-15d+150=0

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

-15d=-150

d=-150/-15

d=+10

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