-4=3(d/2-7)

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Solution for -4=3(d/2-7) equation: 



-4=3(d/2-7)

We move all terms to the left:

-4-(3(d/2-7))=0

We multiply all the terms by the denominator


-(3(d-4*2-7))=0



We calculate terms in parentheses: -(3(d-4*2-7)), so:

3(d-4*2-7)

We add all the numbers together, and all the variables

3(d-15)

We multiply parentheses

3d-45

Back to the equation:

-(3d-45)



We get rid of parentheses

-3d+45=0

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

-3d=-45

d=-45/-3

d=+15

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