-20+3d=-9(5d-4)

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Solution for -20+3d=-9(5d-4) equation: 



-20+3d=-9(5d-4)

We move all terms to the left:

-20+3d-(-9(5d-4))=0



We calculate terms in parentheses: -(-9(5d-4)), so:

-9(5d-4)

We multiply parentheses

-45d+36

Back to the equation:

-(-45d+36)



We get rid of parentheses

3d+45d-36-20=0

We add all the numbers together, and all the variables

48d-56=0

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

48d=56

d=56/48

d=1+1/6

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