Question

Si:
x - 5y = 2
x - 2y = 1
Hallar x + y

Answer 1

Respuesta:

x = 1/3 + y = -1/3. => 0

Explicación paso a paso:

-2 (x - 5y = 2) = -2x + 10y = -4

5 (x - 2y = 1) = 5x - 10y = 5

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3x = 1

x = 1/3

y = -1/3