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2 math problems. Please show...

2 math problems. Please show work.

1. Solve systems:

3x - 5y = 16

2x + 3y = -2

2. Solve systems:

x + z = -3

y - z = 6

2x + 3z = 5

1. Solve systems:

3x - 5y = 16

2x + 3y = -2

2. Solve systems:

x + z = -3

y - z = 6

2x + 3z = 5

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