-7r+5+8r=12

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Solution for -7r+5+8r=12 equation: 



-7r+5+8r=12

We move all terms to the left:

-7r+5+8r-(12)=0

We add all the numbers together, and all the variables

r-7=0

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

r=7

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