11x-9=7x+9

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Solution for 11x-9=7x+9 equation: 



11x-9=7x+9

We move all terms to the left:

11x-9-(7x+9)=0

We get rid of parentheses

11x-7x-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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