4-8r=9+6(5-10r)

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Solution for 4-8r=9+6(5-10r) equation: 



4-8r=9+6(5-10r)

We move all terms to the left:

4-8r-(9+6(5-10r))=0

We add all the numbers together, and all the variables

-8r-(9+6(-10r+5))+4=0



We calculate terms in parentheses: -(9+6(-10r+5)), so:

9+6(-10r+5)

determiningTheFunctionDomain
6(-10r+5)+9

We multiply parentheses

-60r+30+9

We add all the numbers together, and all the variables

-60r+39

Back to the equation:

-(-60r+39)



We get rid of parentheses

-8r+60r-39+4=0

We add all the numbers together, and all the variables

52r-35=0

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

52r=35

r=35/52

r=35/52

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