Monday, April 21, 2014

What is the solution of the system? Use substitution {-4y-3x=-11, x-2y=17}

2)
x=2y+17
1)
4y+3(2y+17)=11
10y+51=11
10y=-40
y=-4

x=2(-4)+17=9
solution: (9,-4)

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