x-1243=3x

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Solution for x-1243=3x equation: 



x-1243=3x

We move all terms to the left:

x-1243-(3x)=0

We add all the numbers together, and all the variables

-2x-1243=0

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

-2x=1243

x=1243/-2

x=-621+1/2

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