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Solve the following system of equations with the substitution method:
`{(-5 x + 10 y,=,10),(x, =, 2 y -2):}`
Answer: (
,
)
Enter your answers as integers or as reduced fractions in the form A/B. If there is no solution, type "DNE" in each blank. If there are an infinite number of solutions, specify their form in the blanks in terms of y. `2 y -2`
`y`