7r+9=4r-6

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Solution for 7r+9=4r-6 equation: 



7r+9=4r-6

We move all terms to the left:

7r+9-(4r-6)=0

We get rid of parentheses

7r-4r+6+9=0

We add all the numbers together, and all the variables

3r+15=0

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

3r=-15

r=-15/3

r=-5

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