-7r+4=-1+2(-5r-5)

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Solution for -7r+4=-1+2(-5r-5) equation: 



-7r+4=-1+2(-5r-5)

We move all terms to the left:

-7r+4-(-1+2(-5r-5))=0



We calculate terms in parentheses: -(-1+2(-5r-5)), so:

-1+2(-5r-5)

determiningTheFunctionDomain
2(-5r-5)-1

We multiply parentheses

-10r-10-1

We add all the numbers together, and all the variables

-10r-11

Back to the equation:

-(-10r-11)



We get rid of parentheses

-7r+10r+11+4=0

We add all the numbers together, and all the variables

3r+15=0

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

3r=-15

r=-15/3

r=-5

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