Question

07 – Determine os números reais x e y:
a) (x, –3y+9)= (2, –3)







b) (4x, –2y)= (–2, 1)

Answer 1

Resposta:

A) X =2

- 3y+9=-3

- 3y= - 12

3y = 12

y= 12

B) 4x = - 2

x= - 2/4 = - 1/2

- 2y = 1

y= - 1/2