3r+8+4r+9=52

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Solution for 3r+8+4r+9=52 equation: 



3r+8+4r+9=52

We move all terms to the left:

3r+8+4r+9-(52)=0

We add all the numbers together, and all the variables

7r-35=0

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

7r=35

r=35/7

r=5

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