-21+9+3=18x-7x

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Solution for -21+9+3=18x-7x equation: 



-21+9+3=18x-7x

We move all terms to the left:

-21+9+3-(18x-7x)=0

We add all the numbers together, and all the variables

-(+11x)-21+9+3=0

We add all the numbers together, and all the variables

-(+11x)-9=0

We get rid of parentheses

-11x-9=0

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

-11x=9

x=9/-11

x=-9/11

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