3x-3=x=21

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



3x-3=x=21

We move all terms to the left:

3x-3-(x)=0

We add all the numbers together, and all the variables

2x-3=0

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

2x=3

x=3/2

x=1+1/2

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