3r+4+8r-2=180

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Solution for 3r+4+8r-2=180 equation: 



3r+4+8r-2=180

We move all terms to the left:

3r+4+8r-2-(180)=0

We add all the numbers together, and all the variables

11r-178=0

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

11r=178

r=178/11

r=16+2/11

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