)-115=-3+8(-2r-4)

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Solution for )-115=-3+8(-2r-4) equation: 



)-115=-3+8(-2r-4)

We move all terms to the left:

)-115-(-3+8(-2r-4))=0

We add all the numbers together, and all the variables

-(-3+8(-2r-4))=0



We calculate terms in parentheses: -(-3+8(-2r-4)), so:

-3+8(-2r-4)

determiningTheFunctionDomain
8(-2r-4)-3

We multiply parentheses

-16r-32-3

We add all the numbers together, and all the variables

-16r-35

Back to the equation:

-(-16r-35)



We get rid of parentheses

16r+35=0

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

16r=-35

r=-35/16

r=-2+3/16

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