Question

determine x e y reais para que verifiquem as igualdades:b) (2,3)= (x-1,2y -3) c) (x-2, y+1)=(1,0) d) (x-3, y)=(0,0).

Answer 1

b)
2=x-1
3=2y-3

x=3
y=3

c)
x-2=1
y+1=0

x=3
y=-1

d)
x-3=0
y=0

x=3
y=0