-9-r=7+3r-6r

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Solution for -9-r=7+3r-6r equation:



-9-r=7+3r-6r
We move all terms to the left:
-9-r-(7+3r-6r)=0
We add all the numbers together, and all the variables
-r-(-3r+7)-9=0
We add all the numbers together, and all the variables
-1r-(-3r+7)-9=0
We get rid of parentheses
-1r+3r-7-9=0
We add all the numbers together, and all the variables
2r-16=0
We move all terms containing r to the left, all other terms to the right
2r=16
r=16/2
r=8

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