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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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10 answers

  1. 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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  2. It's only been two minutes!

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  3. Yeah can you help

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

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

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  6. THANK SO MUCH 100%

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

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  8. Lil late hh is correct my guys ! i literally just finished the part 1 to this!

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  9. lil late huh got it 100 now I just need part 2

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  10. 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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