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what is the solution for y=2x+8, 3x+2y=-5?

Guest Apr 25, 2017
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 #1
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The first soultion is y=2x+8

And the second is y=-3/2-5/3

Bshirel  Apr 25, 2017
 #2
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y= 2x+8                                                                        

-5=3x+2y

 

 

 

-5= 3x+2(2x+8)                                           y=2x+8

-5=3x+4x+16                                              y=2(-3)+8

-21=3x+4x                                                   y-6+8

-21=7x

                                                                       y=2

x=-3

Guest Apr 25, 2017

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