7r+9=54

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Solution for 7r+9=54 equation: 



7r+9=54

We move all terms to the left:

7r+9-(54)=0

We add all the numbers together, and all the variables

7r-45=0

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

7r=45

r=45/7

r=6+3/7

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