20+4*r=32-2*r

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Solution for 20+4*r=32-2*r equation: 



20+4r=32-2r

We move all terms to the left:

20+4r-(32-2r)=0

We add all the numbers together, and all the variables

4r-(-2r+32)+20=0

We get rid of parentheses

4r+2r-32+20=0

We add all the numbers together, and all the variables

6r-12=0

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

6r=12

r=12/6

r=2

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