-8(2-r)=56

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Solution for -8(2-r)=56 equation: 



-8(2-r)=56

We move all terms to the left:

-8(2-r)-(56)=0

We add all the numbers together, and all the variables

-8(-1r+2)-56=0

We multiply parentheses

8r-16-56=0

We add all the numbers together, and all the variables

8r-72=0

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

8r=72

r=72/8

r=9

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