124=-4(1+8r)

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Solution for 124=-4(1+8r) equation: 



124=-4(1+8r)

We move all terms to the left:

124-(-4(1+8r))=0

We add all the numbers together, and all the variables

-(-4(8r+1))+124=0



We calculate terms in parentheses: -(-4(8r+1)), so:

-4(8r+1)

We multiply parentheses

-32r-4

Back to the equation:

-(-32r-4)



We get rid of parentheses

32r+4+124=0

We add all the numbers together, and all the variables

32r+128=0

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

32r=-128

r=-128/32

r=-4

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