Y=2x+3;(3.9)

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Solution for Y=2x+3;(3.9) equation: 



=2Y+3(3.9)

We move all terms to the left:

-(2Y+3(3.9))=0



We calculate terms in parentheses: -(2Y+3(3.9)), so:

2Y+3(3.9)

We add all the numbers together, and all the variables

2Y+11.7

Back to the equation:

-(2Y+11.7)



We get rid of parentheses

-2Y-11.7=0

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

-2Y=11.7

Y=11.7/-2

Y=-5+1/1.1764705882353

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