5x+9+5x-18=8x+9

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Solution for 5x+9+5x-18=8x+9 equation: 



5x+9+5x-18=8x+9

We move all terms to the left:

5x+9+5x-18-(8x+9)=0

We add all the numbers together, and all the variables

10x-(8x+9)-9=0

We get rid of parentheses

10x-8x-9-9=0

We add all the numbers together, and all the variables

2x-18=0

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

2x=18

x=18/2

x=9

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