Question

Como resolver 5x - 3yz

Answer 1

x = p/1 
y = p/2 
z = p/5 

x+y+z = 34 
p/1 + p/2 + p/5 = 34 
(10p+5p+2p)/10 = 34 
17p/10 = 34 
17p = 34*10 
p = 340/17 
p = 20 

x = p/1 = 20/1 = 20 
y = p/2 = 20/2 = 10 
z = p/5 = 20/5 = 4 

5x-3yz = 5.20 -3.10.4 = -20 

Resposta: -20