Solve for each system 1. y = 6x - 14 y = -8x
2. y = 2x - 15 y = 5x
3. 6x + 7y = 20 y + 2x
4. -3x - 5y = 6 y = -3
5. 6x - 5y = 22 y = -8

Please Explain, I have the answers I want to understand how to work the problems.

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