9-6x-4x=21

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Solution for 9-6x-4x=21 equation: 



9-6x-4x=21

We move all terms to the left:

9-6x-4x-(21)=0

We add all the numbers together, and all the variables

-10x-12=0

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

-10x=12

x=12/-10

x=-1+1/5

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