8(8r-1)=440

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Solution for 8(8r-1)=440 equation: 



8(8r-1)=440

We move all terms to the left:

8(8r-1)-(440)=0

We multiply parentheses

64r-8-440=0

We add all the numbers together, and all the variables

64r-448=0

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

64r=448

r=448/64

r=7

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