4. Solve the following LPP: (using simplex algorism) 
Minimize Z= 8x1+4x2+2x3
Subject to 4x1+ 2x2+x3 ≤ 8
3x1 + 2x3 ≤ 10
X1+ x2 +x3 = 4
Where x1, x2, x3 ≥

Nati First's image