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7 Use elimination or substitution to solve the system of equations 2 y x 3x 16 y 9x 20 YX 20 x 3x 16 X

7 Use elimination or substitution to solve the system of equations 2 y x 3x 16 y 9x 20 YX 20 x 3x 16 X 12x 36 0 x 6 x 6 0 X 6 Y 9X6 20 34 8 Graph and solve the system of equations 2 y x 2x 3 y x 1 X 6 Y 34

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