30=7r-5

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Solution for 30=7r-5 equation: 



30=7r-5

We move all terms to the left:

30-(7r-5)=0

We get rid of parentheses

-7r+5+30=0

We add all the numbers together, and all the variables

-7r+35=0

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

-7r=-35

r=-35/-7

r=+5

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