2r+10=80

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Solution for 2r+10=80 equation: 



2r+10=80

We move all terms to the left:

2r+10-(80)=0

We add all the numbers together, and all the variables

2r-70=0

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

2r=70

r=70/2

r=35

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