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OpenStudy (anonymous):
What is the value of the system determinant for the following system of equations? 6x + y = 4 5x + y - 7 = 0 -1 1 31
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OpenStudy (anonymous):
find the matrix first
OpenStudy (anonymous):
6 1 -4 5 1 -7 = 6[(-7) -(-4)]-[-42-(-20)] +(-4)[6-5] =6(-3)-(-22)-4(1) =-18+22-4 =0
OpenStudy (anonymous):
ur determinant is 0
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