25=d-(-20)

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Solution for 25=d-(-20) equation: 



25=d-(-20)

We move all terms to the left:

25-(d-(-20))=0



We calculate terms in parentheses: -(d-(-20)), so:

d-(-20)

We add all the numbers together, and all the variables

d+20

Back to the equation:

-(d+20)



We get rid of parentheses

-d-20+25=0

We add all the numbers together, and all the variables

-1d+5=0

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

-d=-5

d=-5/-1

d=+5

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