45=9-4(2d-1)

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Solution for 45=9-4(2d-1) equation: 



45=9-4(2d-1)

We move all terms to the left:

45-(9-4(2d-1))=0



We calculate terms in parentheses: -(9-4(2d-1)), so:

9-4(2d-1)

determiningTheFunctionDomain
-4(2d-1)+9

We multiply parentheses

-8d+4+9

We add all the numbers together, and all the variables

-8d+13

Back to the equation:

-(-8d+13)



We get rid of parentheses

8d-13+45=0

We add all the numbers together, and all the variables

8d+32=0

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

8d=-32

d=-32/8

d=-4

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