8-3x=21

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Solution for 8-3x=21 equation: 



8-3x=21

We move all terms to the left:

8-3x-(21)=0

We add all the numbers together, and all the variables

-3x-13=0

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

-3x=13

x=13/-3

x=-4+1/3

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