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irga5000 [103]
3 years ago
11

Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

Answer:

Step-by-step explanation:

1.5x+2y=1\\2.-x-y=-2\\2.2(-x-y=-2)\\5x+2y=1\\-2x-2y=-4      +\\3x=3\\x=1\\Substitute               into                    number one\\5+2y=1\\y=-2

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