-5r-55=-4+2(-6+4r)

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Solution for -5r-55=-4+2(-6+4r) equation: 



-5r-55=-4+2(-6+4r)

We move all terms to the left:

-5r-55-(-4+2(-6+4r))=0

We add all the numbers together, and all the variables

-5r-(-4+2(4r-6))-55=0



We calculate terms in parentheses: -(-4+2(4r-6)), so:

-4+2(4r-6)

determiningTheFunctionDomain
2(4r-6)-4

We multiply parentheses

8r-12-4

We add all the numbers together, and all the variables

8r-16

Back to the equation:

-(8r-16)



We get rid of parentheses

-5r-8r+16-55=0

We add all the numbers together, and all the variables

-13r-39=0

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

-13r=39

r=39/-13

r=-3

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