Question

X+Y=700
Y+Z=500
X+Z=800.

Answer 1

Răspuns:

x+y+y+z+x+z=700+500+800

2(x+y+z)=2000

x+y+z=2000:2

x+y+z=1000

z=1000-700=300

x=1000-500=500

y=1000-800=200

Answer 2

Bună, sper ca te am ajutat!!