-39r+48r+(-49r)+(-12)=28

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Solution for -39r+48r+(-49r)+(-12)=28 equation: 



-39r+48r+(-49r)+(-12)=28

We move all terms to the left:

-39r+48r+(-49r)+(-12)-(28)=0

determiningTheFunctionDomain
-39r+48r+(-49r)-28+(-12)=0

We add all the numbers together, and all the variables

9r+(-49r)-40=0

We get rid of parentheses

9r-49r-40=0

We add all the numbers together, and all the variables

-40r-40=0

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

-40r=40

r=40/-40

r=-1

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