Y=490-2x

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Solution for Y=490-2x equation:



=490-2Y
We move all terms to the left:
-(490-2Y)=0
We add all the numbers together, and all the variables
-(-2Y+490)=0
We get rid of parentheses
2Y-490=0
We move all terms containing Y to the left, all other terms to the right
2Y=490
Y=490/2
Y=245

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