11r+8-10r=-2r+20

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Solution for 11r+8-10r=-2r+20 equation: 



11r+8-10r=-2r+20

We move all terms to the left:

11r+8-10r-(-2r+20)=0

We add all the numbers together, and all the variables

r-(-2r+20)+8=0

We get rid of parentheses

r+2r-20+8=0

We add all the numbers together, and all the variables

3r-12=0

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

3r=12

r=12/3

r=4

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