19r+5r-13r-5r=12

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Solution for 19r+5r-13r-5r=12 equation:



19r+5r-13r-5r=12
We move all terms to the left:
19r+5r-13r-5r-(12)=0
We add all the numbers together, and all the variables
6r-12=0
We move all terms containing r to the left, all other terms to the right
6r=12
r=12/6
r=2

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