2X1+X2+X3+X4+X5=6 ①
X1+2X2+X3+X4+X5=12 ②
X1+X2+2X3+X4+X5=24 ③
X1+X2+X3+2X4+X5=48 ④
X1+X2+X3+X4+2X5=96 ⑤
①+②+③+④+⑤=6x1+6x2+6x3+6x4+6x5=186
x1+x2+x3+x4+x5=31_________⑥
④-⑥得X4=17
⑤-⑥得X5=65
3X4+2X5=3*17+2*65=181
2X1+X2+X3+X4+X5=6 ①
X1+2X2+X3+X4+X5=12 ②
X1+X2+2X3+X4+X5=24 ③
X1+X2+X3+2X4+X5=48 ④
X1+X2+X3+X4+2X5=96 ⑤
①+②+③+④+⑤=6x1+6x2+6x3+6x4+6x5=186
x1+x2+x3+x4+x5=31_________⑥
④-⑥得X4=17
⑤-⑥得X5=65
3X4+2X5=3*17+2*65=181