-6x-7x-21=19

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Solution for -6x-7x-21=19 equation: 



-6x-7x-21=19

We move all terms to the left:

-6x-7x-21-(19)=0

We add all the numbers together, and all the variables

-13x-40=0

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

-13x=40

x=40/-13

x=-3+1/13

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