-4=r/8-3

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Solution for -4=r/8-3 equation: 



-4=r/8-3

We move all terms to the left:

-4-(r/8-3)=0

We get rid of parentheses

-r/8+3-4=0

We multiply all the terms by the denominator


-r+3*8-4*8=0

We add all the numbers together, and all the variables

-1r-8=0

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

-r=8

r=8/-1

r=-8

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