Question

Si x + y = 17, y + z = 35
X + z = 24
Encuentre el valor de x + y + z

Porfavor

Answer 1

x+y= 17. |
y+z = 35. | <== sumando el sistema
x+z = 24 |
_________
2x+2y+2z = 76
2(x+y+z) = 76
x+y+z = 76/2
x+y+z = 38 <=== Rpta. :)