Question

a) x+y= 4
x-y= 2

b) x+2y= 3
x+y= 2

c) 2x-y= 1
3x+2y= 12

d)3x-2y= 5
2x+3y= -1

e) 2x-y= 2
x-y= -2

me ajudem plmds ​

Answer 1

Resposta:

a) (x,y) = (2,2)

b) (x,y) = (-1,2)

c) (x,y) = (14,23)

              (5 , 5)

d) (x,y) = (13,-18)

              (11, 11)

e) (x,y) = (0, -2)

espero ter ajudado