4+2(1-8r)=-31

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Solution for 4+2(1-8r)=-31 equation: 



4+2(1-8r)=-31

We move all terms to the left:

4+2(1-8r)-(-31)=0

We add all the numbers together, and all the variables

2(-8r+1)+4-(-31)=0

We add all the numbers together, and all the variables

2(-8r+1)+35=0

We multiply parentheses

-16r+2+35=0

We add all the numbers together, and all the variables

-16r+37=0

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

-16r=-37

r=-37/-16

r=2+5/16

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