47=-20+r

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Solution for 47=-20+r equation:



47=-20+r
We move all terms to the left:
47-(-20+r)=0
We add all the numbers together, and all the variables
-(r-20)+47=0
We get rid of parentheses
-r+20+47=0
We add all the numbers together, and all the variables
-1r+67=0
We move all terms containing r to the left, all other terms to the right
-r=-67
r=-67/-1
r=+67

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