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13r+53/8=-8
We move all terms to the left:
13r+53/8-(-8)=0
We add all the numbers together, and all the variables
13r+8+53/8=0
We multiply all the terms by the denominator
13r*8+53+8*8=0
We add all the numbers together, and all the variables
13r*8+117=0
Wy multiply elements
104r+117=0
We move all terms containing r to the left, all other terms to the right
104r=-117
r=-117/104
r=-1+1/8
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