15(d+7)=4(d-4)

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Solution for 15(d+7)=4(d-4) equation: 



15(d+7)=4(d-4)

We move all terms to the left:

15(d+7)-(4(d-4))=0

We multiply parentheses

15d-(4(d-4))+105=0



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

4(d-4)

We multiply parentheses

4d-16

Back to the equation:

-(4d-16)



We get rid of parentheses

15d-4d+16+105=0

We add all the numbers together, and all the variables

11d+121=0

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

11d=-121

d=-121/11

d=-11

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