# Algebra II

What is the solution of the system of equations?

{-3x - 4y - 3z = -7

{2x - 6y + 2z = 3

{5x - 2y + 5z = 9

A. (5,-2,7)

B. (-5,2,7)

C.(5,2,-7)

D. No solution

Use a matrix to find the solution to the system of equations.

{-8x - 8y = -16

{6x - 9y = -108

A.(-6,8)

B.(6,8)

C.(8,-6)
D. (6,-8)

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1. It's only been two minutes!

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2. Yeah can you help

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3. http://www.gregthatcher.com/Mathematics/GaussJordan.aspx

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4. Like I said can anyone just give me the correct answers?

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5. No. You must learn how to do it. Steve showed you how to do one already. Use the link for elimination.

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6. 1. 5,0
2. 20 of type A; 20 of type B
3. no solution
4. -5
5. [11 -12 / 5 12 | 7 / -7]
6. -6,8

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7. THANK SO MUCH 100%

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8. For me the answer for 1.) is actually D.) 0, 3

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