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x+2y=-2 3x-4y=24 Solve using matricies.

Algebra
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Need help with my math. Please help!

Dec 15th, 2014

X+2Y=-2, THERE FOR X = -2-2Y

3X-4Y=24 , REPLACE VALUE X, 3(-2-2Y) - 4Y =24 ... -6-6Y-4Y = 24 .... -30 = 10 Y ... THEREFORE Y = -3

Dec 15th, 2014

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