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How do you solve the system $5 a + 5 b + 5 c = - 20$ $5a+5b+5c=-20$ , $4 a + 3 b + 3 c = - 6$ $4a+3b+3c=-6$ , and $- 4 a + 3 b + 3 c = 9$ $-4a+3b+3c=9$ ?

1 Answer

Oct 7, 2016

Its determinant is zero. It has no solution.

Explanation:

Its determinant is zero. It has no solution.

Look at the calculation

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