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Mathematics, 07.10.2021 18:50 alopez117

7. Solve the system of equations using substitution 3x - 2y - Z = -12

8x - 3y + 4z = 6

-7x + 5y - 3z = 2

8. Find 3A-2B for the matrices A and B:

no matrix calculator

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7. Solve the system of equations using substitution 3x - 2y - Z = -12

8x - 3y + 4z = 6...
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