Răspuns :
x + y +z = 200
x = y + 35
z = y + 45
( y + 35) + y + ( y + 45 ) = 200
3y + 80 =200
3y = 200 - 80
3y = 120
y = 40 x = 40 + 35 = 75 z = 40 + 45 = 85
x = y + 35
z = y + 45
( y + 35) + y + ( y + 45 ) = 200
3y + 80 =200
3y = 200 - 80
3y = 120
y = 40 x = 40 + 35 = 75 z = 40 + 45 = 85