20+2r=r+56

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Solution for 20+2r=r+56 equation: 



20+2r=r+56

We move all terms to the left:

20+2r-(r+56)=0

We get rid of parentheses

2r-r-56+20=0

We add all the numbers together, and all the variables

r-36=0

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

r=36

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