3-2x=21-8x

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Solution for 3-2x=21-8x equation: 



3-2x=21-8x

We move all terms to the left:

3-2x-(21-8x)=0

We add all the numbers together, and all the variables

-2x-(-8x+21)+3=0

We get rid of parentheses

-2x+8x-21+3=0

We add all the numbers together, and all the variables

6x-18=0

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

6x=18

x=18/6

x=3

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