-8*x-21=-93

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Solution for -8*x-21=-93 equation: 



-8*x-21=-93

We move all terms to the left:

-8*x-21-(-93)=0

We add all the numbers together, and all the variables

-8x+72=0

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

-8x=-72

x=-72/-8

x=+9

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