april316 april316

29-12-2015
Mathematics

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determine the solution of the system. show your work Y=5x-9 Y=2x +6

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Billymkhoi Billymkhoi

29-12-2015

We have 5x-9 = Y= 2x+6
⇒ 5x-9 = 2x+6
⇒ (5x-2x)+ (-9+9) = (2x-2x)+ (6+9)
⇒ 3x= 15
⇒ x=5
Plug x=5 in Y = 5x-9, we have Y= 5*(5)-9
⇒ Y=16
(x,Y)= (5,16)
Hope this would help :))

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