-6x+(-21)=18

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Solution for -6x+(-21)=18 equation: 



-6x+(-21)=18

We move all terms to the left:

-6x+(-21)-(18)=0

determiningTheFunctionDomain
-6x-18+(-21)=0

We add all the numbers together, and all the variables

-6x-39=0

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

-6x=39

x=39/-6

x=-6+1/2

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