7+2r=11

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Solution for 7+2r=11 equation: 



7+2r=11

We move all terms to the left:

7+2r-(11)=0

We add all the numbers together, and all the variables

2r-4=0

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

2r=4

r=4/2

r=2

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