-1(7-4r)=9

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Solution for -1(7-4r)=9 equation: 



-1(7-4r)=9

We move all terms to the left:

-1(7-4r)-(9)=0

We add all the numbers together, and all the variables

-1(-4r+7)-9=0

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

-1(-4r+7)=9

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