Question

Determine os valores de x,y e z

Answer 1

  1/2 + 1/3 + 1/4 = 6/12 + 4/12 + 3/12 
6 + 4 + 3 = 13 
26/13 = 2 

x = 6*2 = 12 
y = 4*2 = 8 
z = 3*2 = 6