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Mathematics, 24.02.2021 19:50 aubreyfoster

Solve the following by the method of your choice, and show your work: 7. x+2y=-4
-3x-2y=-4

8. 4x+y=2
y=x-3

9. 2x-3y=7
4x+y=-7

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Solve the following by the method of your choice, and show your work: 7. x+2y=-4
-3x-2y=-4
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