r+3*2r+9=r+6

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Solution for r+3*2r+9=r+6 equation: 



r+3*2r+9=r+6

We move all terms to the left:

r+3*2r+9-(r+6)=0

Wy multiply elements

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

We get rid of parentheses

r+6r-r-6+9=0

We add all the numbers together, and all the variables

6r+3=0

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

6r=-3

r=-3/6

r=-1/2

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