-7x-2=-21

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Solution for -7x-2=-21 equation: 



-7x-2=-21

We move all terms to the left:

-7x-2-(-21)=0

We add all the numbers together, and all the variables

-7x+19=0

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

-7x=-19

x=-19/-7

x=2+5/7

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