8x+9+12=2x+1

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Solution for 8x+9+12=2x+1 equation: 



8x+9+12=2x+1

We move all terms to the left:

8x+9+12-(2x+1)=0

We add all the numbers together, and all the variables

8x-(2x+1)+21=0

We get rid of parentheses

8x-2x-1+21=0

We add all the numbers together, and all the variables

6x+20=0

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

6x=-20

x=-20/6

x=-3+1/3

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