8x-1=3x-21

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Solution for 8x-1=3x-21 equation: 



8x-1=3x-21

We move all terms to the left:

8x-1-(3x-21)=0

We get rid of parentheses

8x-3x+21-1=0

We add all the numbers together, and all the variables

5x+20=0

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

5x=-20

x=-20/5

x=-4

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