17-5r+9r=(-12)+6r-1

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Solution for 17-5r+9r=(-12)+6r-1 equation: 



17-5r+9r=(-12)+6r-1

We move all terms to the left:

17-5r+9r-((-12)+6r-1)=0

We add all the numbers together, and all the variables

4r-((-12)+6r-1)+17=0



We calculate terms in parentheses: -((-12)+6r-1), so:

(-12)+6r-1

determiningTheFunctionDomain
6r-1+(-12)

We add all the numbers together, and all the variables

6r-13

Back to the equation:

-(6r-13)



We get rid of parentheses

4r-6r+13+17=0

We add all the numbers together, and all the variables

-2r+30=0

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

-2r=-30

r=-30/-2

r=+15

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