r+20/7=4

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Solution for r+20/7=4 equation: 



r+20/7=4

We move all terms to the left:

r+20/7-(4)=0

determiningTheFunctionDomain
r-4+20/7=0

We multiply all the terms by the denominator


r*7+20-4*7=0

We add all the numbers together, and all the variables

r*7-8=0

Wy multiply elements

7r-8=0

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

7r=8

r=8/7

r=1+1/7

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