9r+2(4-2r)=71

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Solution for 9r+2(4-2r)=71 equation: 



9r+2(4-2r)=71

We move all terms to the left:

9r+2(4-2r)-(71)=0

We add all the numbers together, and all the variables

9r+2(-2r+4)-71=0

We multiply parentheses

9r-4r+8-71=0

We add all the numbers together, and all the variables

5r-63=0

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

5r=63

r=63/5

r=12+3/5

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