Solve the following problem by both the Big M method and the

Solve the following problem by both the Big M method and the phase I-II method. Compare the results and tell me what you see.

Max 4x₁ + 2x₂ + 8x₃

st.

2x₁ - x₂ + 3x₃ <= 30

x₁ + 2x₂ + 4x₃ = 40

x₁,x₂,x₃ >= 0

Solution