123-x=6x

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Solution for 123-x=6x equation: 



123-x=6x

We move all terms to the left:

123-x-(6x)=0

We add all the numbers together, and all the variables

-7x+123=0

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

-7x=-123

x=-123/-7

x=17+4/7

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