-r+12=-7-42-48r

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Solution for -r+12=-7-42-48r equation: 



-r+12=-7-42-48r

We move all terms to the left:

-r+12-(-7-42-48r)=0

We add all the numbers together, and all the variables

-r-(-48r-49)+12=0

We add all the numbers together, and all the variables

-1r-(-48r-49)+12=0

We get rid of parentheses

-1r+48r+49+12=0

We add all the numbers together, and all the variables

47r+61=0

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

47r=-61

r=-61/47

r=-1+14/47

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