Y=257-2x

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Solution for Y=257-2x equation: 



=257-2Y

We move all terms to the left:

-(257-2Y)=0

We add all the numbers together, and all the variables

-(-2Y+257)=0

We get rid of parentheses

2Y-257=0

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

2Y=257

Y=257/2

Y=128+1/2

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