-126=2(1-8r)

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Solution for -126=2(1-8r) equation: 



-126=2(1-8r)

We move all terms to the left:

-126-(2(1-8r))=0

We add all the numbers together, and all the variables

-(2(-8r+1))-126=0



We calculate terms in parentheses: -(2(-8r+1)), so:

2(-8r+1)

We multiply parentheses

-16r+2

Back to the equation:

-(-16r+2)



We get rid of parentheses

16r-2-126=0

We add all the numbers together, and all the variables

16r-128=0

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

16r=128

r=128/16

r=8

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