8(r+4)=64

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Solution for 8(r+4)=64 equation: 



8(r+4)=64

We move all terms to the left:

8(r+4)-(64)=0

We multiply parentheses

8r+32-64=0

We add all the numbers together, and all the variables

8r-32=0

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

8r=32

r=32/8

r=4

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