8x-9=9+4x

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Solution for 8x-9=9+4x equation: 



8x-9=9+4x

We move all terms to the left:

8x-9-(9+4x)=0

We add all the numbers together, and all the variables

8x-(4x+9)-9=0

We get rid of parentheses

8x-4x-9-9=0

We add all the numbers together, and all the variables

4x-18=0

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

4x=18

x=18/4

x=4+1/2

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