-6.4x=-21

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Solution for -6.4x=-21 equation: 



-6.4x=-21

We move all terms to the left:

-6.4x-(-21)=0

We add all the numbers together, and all the variables

-6.4x+21=0

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

-6.4x=-21

x=-21/-6.4

x=3+1/3.5555555555556

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