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Mathematics, 28.09.2020 14:01 leslyvargas230

2x + y =10 x -2 y=-5 if (x, y) is the solution to the system of the equation above what is the value of 3x-y?

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2x + y =10 x -2 y=-5 if (x, y) is the solution to the system of the equation above what is the value...
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