3r-2r+6r=49-7

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Solution for 3r-2r+6r=49-7 equation: 



3r-2r+6r=49-7

We move all terms to the left:

3r-2r+6r-(49-7)=0

We add all the numbers together, and all the variables

3r-2r+6r-42=0

We add all the numbers together, and all the variables

7r-42=0

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

7r=42

r=42/7

r=6

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