Monday, April 21, 2014

Solve: {y=1/2x-3; 4x-2y=16}

4x-2(1/2x-3)=16
4x-x+6=16
3x=10
x=10/3

y=
1/2(10/3)-3(3/3)=
5/3-9/3=
-4/3
Solution:
(10/3, -4/3)

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