r+4=100r=

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Solution for r+4=100r= equation: 



r+4=100r=

We move all terms to the left:

r+4-(100r)=0

We add all the numbers together, and all the variables

-99r+4=0

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

-99r=-4

r=-4/-99

r=4/99

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