18.5=-2.5(7d-5)

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Solution for 18.5=-2.5(7d-5) equation: 



18.5=-2.5(7d-5)

We move all terms to the left:

18.5-(-2.5(7d-5))=0



We calculate terms in parentheses: -(-2.5(7d-5)), so:

-2.5(7d-5)

We multiply parentheses

-17.5d+12.5

Back to the equation:

-(-17.5d+12.5)



We get rid of parentheses

17.5d-12.5+18.5=0

We add all the numbers together, and all the variables

17.5d+6=0

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

17.5d=-6

d=-6/17.5

d=-6/17.5

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