Answered

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Solve, 8x-2y=10, 3x-y=9

Sagot :

Answer:

Step-by-step explanation:

3x - y = 9

      y = 3x - 9

         8x - 2y = 10

8x - 2(3x - 9) = 10

 8x - 6x + 18 = 10

                2x = -8

                x = -4

      y = 3(-4) - 9

      y = -21

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