3-4x=x=21

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Solution for 3-4x=x=21 equation: 



3-4x=x=21

We move all terms to the left:

3-4x-(x)=0

We add all the numbers together, and all the variables

-5x+3=0

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

-5x=-3

x=-3/-5

x=3/5

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