Question

2x + 3y = 14
x+y= 7
Hallar el conjunto solucion​

Answer 1

Respuesta:

2x+3y=14

X+y=14

X=14-3y/2

(14-3y/2)+y=14

14-3y+2y=28

14-y=28

-y=28-14

-y=14

Y=-14

2X+3(-14)=14

2X-42=14

2X=14+42

2x=56

X=56/2

X=28