25=5-r

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Solution for 25=5-r equation:



25=5-r
We move all terms to the left:
25-(5-r)=0
We add all the numbers together, and all the variables
-(-1r+5)+25=0
We get rid of parentheses
1r-5+25=0
We add all the numbers together, and all the variables
r+20=0
We move all terms containing r to the left, all other terms to the right
r=-20

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