34(21)=r

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Solution for 34(21)=r equation: 



34(21)=r

We move all terms to the left:

34(21)-(r)=0

We add all the numbers together, and all the variables

-1r+3421=0

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

-r=-3421

r=-3421/-1

r=+3421

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