2(-9+2d)=-9(-4d+2)

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Solution for 2(-9+2d)=-9(-4d+2) equation: 



2(-9+2d)=-9(-4d+2)

We move all terms to the left:

2(-9+2d)-(-9(-4d+2))=0

We add all the numbers together, and all the variables

2(2d-9)-(-9(-4d+2))=0

We multiply parentheses

4d-(-9(-4d+2))-18=0



We calculate terms in parentheses: -(-9(-4d+2)), so:

-9(-4d+2)

We multiply parentheses

36d-18

Back to the equation:

-(36d-18)



We get rid of parentheses

4d-36d+18-18=0

We add all the numbers together, and all the variables

-32d=0

d=0/-32

d=0

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