Răspuns:
Explicație pas cu pas:
2(x+yi) + 3(y-2xi) = 7-10i <=>
2x+2yi +3y -6xi = 7-10i <=>
2x+3y + 2yi -6xi = 7 -10i =>
{2x+3y = 7 I·3 => {6x +9y = 21
{2y -6x = -10 {2y -6x = -10
__________
11y = 21-10 = 11 => y = 11/11 => y = 1
2x+3 = 7 => 2x = 7-3 => 2x = 4 => x = 4/2 => x = 2
