mateus m gomes
26/09/2018 • 11:01
x+y = 29 y+z=63 z+x=68
x=29-y
z+29-y=68 => z=39+y
y+39+y=63 => 2y = 24 => y =12
x=17
z=51
x=29-y
z+29-y=68 => z=39+y
y+39+y=63 => 2y = 24 => y =12
x=17
z=51