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18-05-2017
Mathematics

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use a system of equations to solve 3x-y=7, y=3x-2

use a system of equations to solve 3xy7 y3x2 class=

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18-05-2017

3x-y=7
y=3x-2
-3x+y=-2

-3x+y=-2
-
3x-y=7
=
6x=9
x=1.5
y=2.5. Hope it help!

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