7r-5(1+8r)=-104

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Solution for 7r-5(1+8r)=-104 equation: 



7r-5(1+8r)=-104

We move all terms to the left:

7r-5(1+8r)-(-104)=0

We add all the numbers together, and all the variables

7r-5(8r+1)-(-104)=0

We add all the numbers together, and all the variables

7r-5(8r+1)+104=0

We multiply parentheses

7r-40r-5+104=0

We add all the numbers together, and all the variables

-33r+99=0

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

-33r=-99

r=-99/-33

r=+3

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