7r=48-5r

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Solution for 7r=48-5r equation: 



7r=48-5r

We move all terms to the left:

7r-(48-5r)=0

We add all the numbers together, and all the variables

7r-(-5r+48)=0

We get rid of parentheses

7r+5r-48=0

We add all the numbers together, and all the variables

12r-48=0

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

12r=48

r=48/12

r=4

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