(2(23-5d)+(6-1)d)=78

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Solution for (2(23-5d)+(6-1)d)=78 equation: 



(2(23-5d)+(6-1)d)=78

We move all terms to the left:

(2(23-5d)+(6-1)d)-(78)=0

We add all the numbers together, and all the variables

(2(-5d+23)+5d)-78=0



We calculate terms in parentheses: +(2(-5d+23)+5d), so:

2(-5d+23)+5d

We add all the numbers together, and all the variables

5d+2(-5d+23)

We multiply parentheses

5d-10d+46

We add all the numbers together, and all the variables

-5d+46

Back to the equation:

+(-5d+46)



We get rid of parentheses

-5d+46-78=0

We add all the numbers together, and all the variables

-5d-32=0

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

-5d=32

d=32/-5

d=-6+2/5

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