3x-9=x+8

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Solution for 3x-9=x+8 equation: 



3x-9=x+8

We move all terms to the left:

3x-9-(x+8)=0

We get rid of parentheses

3x-x-8-9=0

We add all the numbers together, and all the variables

2x-17=0

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

2x=17

x=17/2

x=8+1/2

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