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

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Solution for 2(2x+8)=12-x+9 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

4x-(-1x+21)+16=0

We get rid of parentheses

4x+1x-21+16=0

We add all the numbers together, and all the variables

5x-5=0

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

5x=5

x=5/5

x=1

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