r+7=4r+13

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Solution for r+7=4r+13 equation:



r+7=4r+13
We move all terms to the left:
r+7-(4r+13)=0
We get rid of parentheses
r-4r-13+7=0
We add all the numbers together, and all the variables
-3r-6=0
We move all terms containing r to the left, all other terms to the right
-3r=6
r=6/-3
r=-2

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