Question

5x - 8y = -86
-5x + 3y = 51

Answer 1

Respuesta:

X = -6

Y= 7

Explicación paso a paso:

Eliminas los 5X

-5Y = -35. Eliminas lo signos

5Y = 35

Y = 7

REMPELZAS:

5X - 8Y = -86

5X - 8(7) = -86

5X - 56 = -86

5X = -86 + 56

5X = - 30

X = -6