x+7x=2x+9x

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Solution for x+7x=2x+9x equation: 



x+7x=2x+9x

We move all terms to the left:

x+7x-(2x+9x)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

8x-(+11x)=0

We get rid of parentheses

8x-11x=0

We add all the numbers together, and all the variables

-3x=0

x=0/-3

x=0

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