2r-5=12

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Solution for 2r-5=12 equation: 



2r-5=12

We move all terms to the left:

2r-5-(12)=0

We add all the numbers together, and all the variables

2r-17=0

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

2r=17

r=17/2

r=8+1/2

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