4r+8=161-13r

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Solution for 4r+8=161-13r equation: 



4r+8=161-13r

We move all terms to the left:

4r+8-(161-13r)=0

We add all the numbers together, and all the variables

4r-(-13r+161)+8=0

We get rid of parentheses

4r+13r-161+8=0

We add all the numbers together, and all the variables

17r-153=0

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

17r=153

r=153/17

r=9

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