78-x=2x

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Solution for 78-x=2x equation: 



78-x=2x

We move all terms to the left:

78-x-(2x)=0

We add all the numbers together, and all the variables

-3x+78=0

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

-3x=-78

x=-78/-3

x=+26

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