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if y=-2

 

3x-4y=5/3 

 Oct 2, 2015
 #1
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+5

So substitute  ' -2 ' for 'y'

3x - 4 (-2) = 5/3

3x + 8 = 5/3

3x = -8 + 5/3 =  -24/3 + 5/3 = -19/3

x = -19/3    (1/3)  =   -19/9  =  - 2 1/9

 Oct 2, 2015

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