x1+x2=5.917
x2+x3=7.448
x1+2x2+x3=13.365
x1+x2+x3=10.120
x2=3.245
x1=5.917-3.245= 2.672
x3=4.203
4 27 4*4 - 27*27 16 - 729 - 713
__ - = = =
27 4 108 108 108
x1+x2=5.917
x2+x3=7.448
x1+2x2+x3=13.365
x1+x2+x3=10.120
x2=3.245
x1=5.917-3.245= 2.672
x3=4.203