Using the substation method or elimination method

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Reference no: EM138913

using the substation Method or elimination Method. If you can show the work on how to solve these problem.

1. x+y=5 Y+-2x+5

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

3. 5x+8y=-14 -3x+5y=28

4. x+y=2 x-y=12

5. x-6y=18 2x-5y=15

6. 8x+7y=-7 2x-5y=5

Reference no: EM138913

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