-8x=-21

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Solution for -8x=-21 equation: 



-8x=-21

We move all terms to the left:

-8x-(-21)=0

We add all the numbers together, and all the variables

-8x+21=0

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

-8x=-21

x=-21/-8

x=2+5/8

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