Question

x+y - 3=-2
2
a)
X Х
- y = 2​

Answer 1

Resposta:

a) X+Y-3= -22

X+Y= -22+3

X+Y= 19

b) XX-Y=2

x2-Y =2

-Y=2-x2

Y= -2+x2

Y= -2+x2,x ER