r-4=7/8

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Solution for r-4=7/8 equation: 



r-4=7/8

We move all terms to the left:

r-4-(7/8)=0

We add all the numbers together, and all the variables

r-4-(+7/8)=0

We get rid of parentheses

r-4-7/8=0

We multiply all the terms by the denominator


r*8-7-4*8=0

We add all the numbers together, and all the variables

r*8-39=0

Wy multiply elements

8r-39=0

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

8r=39

r=39/8

r=4+7/8

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