Question 814206
a 2-1+3=5,
b 3+2-1=-2,
c 1+3+4=17
a 2-1+3=5,
subtract a from c
a -1+4+1=12
b 3+2-1=-2,
c 1+3+4=17
add a and b
2+4+0=10
add a+c
0+7+5=29
2+4+0=10
etc
x = -1,   y = 2,   z = 3