Question

calcule o valor de x e y tais que


(-3 y) x ( 2) = ( 1 )
(x 2) x (-3) = (-5)

Answer 1

(-3 y) . ( 2) = ( 1 )

-3y . 2 = 1

-6y = 1

y = -(1/6)

(x^2) . (-3) = (-5)

x^2 . -3 = -5

-3x^2 = -5

x^2 = -5/-3

x = raiz quadrada de -5/-3