4+9r=6r+7

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



4+9r=6r+7

We move all terms to the left:

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

We get rid of parentheses

9r-6r-7+4=0

We add all the numbers together, and all the variables

3r-3=0

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

3r=3

r=3/3

r=1

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