25=2r+13

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Solution for 25=2r+13 equation:



25=2r+13
We move all terms to the left:
25-(2r+13)=0
We get rid of parentheses
-2r-13+25=0
We add all the numbers together, and all the variables
-2r+12=0
We move all terms containing r to the left, all other terms to the right
-2r=-12
r=-12/-2
r=+6

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