matrices solve and answers
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Answer:
-107
Step-by-step explanation:
-3(6x3-(-3x1))- 2(4x3-(-3x2)) +1(4x1-6x2)
-3(18+3)-2(12+6)+1(4-12)
-3x21-2x18-8
-63-36-8
-107
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